The 5 possible reasons why your ex changed overnight and is like a completely different person now are:

1. She doesn’t want to be nice because she’s worried it will give you the impression that she still wants to be with you, even though you haven’t really changed

After a break up, a couple will sometimes stay in touch with each other via texting, on social media, by talking on the phone and in some cases, even seeing each other once in a while.

However, what can happen is that when the guy is still in love with his ex and wants her back, he might mistake her willingness to interact with him as a sign that she wants to get back together again.

He may then start saying things like, “We should never have broken up. Look how well we’re getting on. It’s obviously a sign that we are meant to be together,” or, “So, have you been giving us some thought? Do you think you could give me another chance?”

He might even go as far as saying things like, “Let’s just keep seeing each other for a while and see where things go,” even though she isn’t feeling attracted to him anymore and doesn’t really see a future with him because of that.

Here’s the thing…

If a guy doesn’t actively do anything to re-spark his ex’s feelings of respect, attraction and love for him, she won’t feel much or any motivation to want to get back together with him.

He will feel motivated to get her back because he has feelings for her, but because he hasn’t been actively reawakening her feelings for him, the feelings just aren’t mutual.

He wants the relationship to get back together, but she just isn’t feeling it.

When he keeps trying to get her back (without first reawakening her feelings and turning her back on to him), she will then have to take drastic measures to make him understand that she’s not interested in him anymore.

She might then suddenly stop answering his texts, unfriend him on social media, block him on her phone and avoid going to any of the places where she feels that she might bump into him.

He may then say, “I don’t get it. My ex changed overnight and is like a completely different person now. What happened? We were getting on so well and I thought that things were on track for us getting back together again. Why is she being like this all of sudden?”

What happened is that he was experiencing strong feelings for her and wanting her back because of it, but she wasn’t feeling much or anything for him.

So, she then decided that she had to stop being so nice to him and giving him the impression that he had a chance based on the ineffective, unattractive approach he’d been using on her.

Then, to convince him that she doesn’t want to get back with him, she suddenly becomes cold, distant and even bitchy towards him.

What he doesn’t realize is that he CAN get her back, but he has to be willing to CHANGE his approach to her.

He can’t keep using the same old approach on her and expect that she will suddenly say, “Wow! I want you so much all of a sudden even though you are still talking to me in the same old ways that turn me off!”

That’s not how it works.

You’ve got to actively make your ex have sexual and romantic feelings for you again based on how you talk to her, behave around her and react and respond to her.

It’s all within your control.

You can MAKE HER have strong feelings for you again.

Okay, onto the next reason why your ex may have changed and become a completely different person now…

2. She wasn’t her real self in the relationship and now resents you for it

She wasn't her real self in the relationship and now resents you for it

Sometimes, a woman might discover that her personality has changed because of her relationship with a guy.

For example: She used to like partying and having the freedom to do whatever she wants, but once she started going out with her boyfriend, he became controlling and wanted to keep her inside all the time.

Initially, she may have gone along with his wishes because she was in love with him and enjoyed doing things together, but over time, she resented having to change her personality to suit him.

After the break up, she will then think something like, “Finally! I’m free at last! I’ve been pretending to be this stay-at-home perfect girlfriend for so long that I forgot how to be real myself. Well now that we’re broken up, I can finally go back to being myself and do what I really want without being controlled by him anymore.”

She will then start going out to party with her single friends again and doing all the wild and crazy things she has been missing out on.

Naturally, when her boyfriend sees her acting this way, he might say, “This is so out of character for her! She was always such a sweet girl who loved staying home and watching a movie together or just hanging out and spending time with me. She would talk about wanting to settle down and grow old together. I just don’t understand. She changed overnight and is like a completely different person now.”

What he doesn’t realize is that the relationship was out of balance and didn’t give her any room to experience other parts of life with him.

He always wanted to keep her hidden away from the world and other guys and she picked up on that.

Women hate it when the realize that their guy is behaving in a certain way or making her do certain things due to his insecurities (e.g. he doesn’t want to go out to party with her in case she notices other guys that she finds more attractive and then thinks about leaving him).

Women want to be with a man who always remains confident in his attractiveness to her, no matter what situation they are in.

To keep a relationship together for life, a couple does not have to go out partying.

That’s not the point.

Instead, the point is that a man needs to always remain confident in his attractiveness to his woman, so he doesn’t try to control or restrict her from being a normal person to prevent himself from feeling insecure.

Women don’t want to feel as though they are in a relationship with an emotionally weak man who needs constant reassurance of their love and commitment.

Women want a man who knows that he is more than good enough and doesn’t see other men as competition for her.

Another example of a woman not being her real self in a relationship is if she used to be a really happy and positive person before her relationship with her boyfriend, but he turned her into a negative, stressed out person.

When she breaks up with him, she will then try to get away from his negativity, which may include cutting him out of her life completely, or just being cold and bitchy towards him for making her become that kind of person.

When she changes and treats him in that way, a guy might feel confused and wonder what caused her to change so much, so quickly.

After all, she used to say that she loved him and she used to really care about him, so how could she turn her back on him like that?


She’s an individual, just like he is.

An individual always has to look out for themselves if their well being is under attack.

She just doesn’t like who she became in the relationship with him and can see that if she gave him another chance, it would be the same again.


He hasn’t really changed.

He’s just trying to get her back, but hasn’t even fixed the core reasons for his insecurity or unattractive behavior.

He’s still pretty much exactly the same guy and she can sense that.

If he wants her back, he has to improve and change and let her experience that during interactions, so she can see for herself that she really does feel differently around him now.

Another reason why your ex may have changed and become a completely different person is that…

3. She wants you to get angry, so she can use it as another reason why she needs time apart from you

A guy might sometimes be so determined to get his ex back that, no matter what she says to him (e.g. “I just don’t have feelings for you anymore” or “Just accept that it’s truly over between us”), he just keeps pushing hard to give him another chance.

So, as a last resort, a woman might start acting completely out of character (e.g. She used to be nice, sweet and friendly, but is now rude, unfriendly and cold towards him. She used to be shy and introverted, but is now confident again and enjoying going out to party and flirt with other men).

Secretly, she may be hoping that if she can make him lose his cool, become angry with her and possibly even become a little bit aggressive, she can then used his behavior as a way of convincing him to leave her alone.

She can then say to him, “You’re scaring me. I’m afraid that you would hurt me if I got back with you. So, no, I will not give you another chance now that you’ve shown me this side of yourself. You can forget about it now. It’s over between us. You’re not the guy I want to be with anymore. You are always so angry now. I’m afraid of you. Please leave me alone.”

By reacting in an angry way to her, he knows that she now has a reason to avoid him.

If she really acts like she is afraid of him, he might then feel guilty for his behavior and leave her alone.

Then, she can move on, without having to worry about him trying to get her back.

Note: Women usually do that to really nice guys who they don’t have much reason (other than not feeling attracted to him) to break up.

She makes him react in an angry way, so she then has a reason to end things or to act like she needs to because she is afraid of him.

Another reason why your ex may have changed and become a completely different person is that…

4. She is trying to impress her single girlfriends by being a bitchy ex girlfriend to you

When a woman gets into a relationship, she will usually spend little or no time hanging out with her single girlfriends.

As a result, her single girlfriends might secretly dislike her new guy, either because he’s taking their friend away from them, or alternatively, because they feel that he’s not treating her right.

The friendship she has with them might become strained and she may begin to miss being able to hang out with them.

Then, after the break up, she will try to get their friendship and trust back by being a bitchy ex girlfriend to her guy as a way of impressing them.

She might say things like, “I’m so glad we’ve broken up and that I’m back with my friends again. He was keeping me away from you girls. I missed you all so much.”

Then, if she gets a text from him while hanging out with her single girlfriends, she will show it to them and they’ll come up with ways to be mean and bitchy to him when replying.

The guy will then be thinking, “Huh? What has gotten into her all of a sudden? Why is she being like this? She’s become a completely different person.”

Another reason why your ex may have a completely different person since breaking up with you is that…

5. She is seeing a new guy and now feels confident to ignore you and move on, without feeling the pain of a break up

Some women can’t cope with the idea of being broken up and feeling all alone, so rather than cutting off communication with her ex, she might be really nice to him as a way of stopping him from moving on while she actively looks for a replacement guy.

He may then think, “Okay, great! She’s being nice and friendly to me. Could this mean she regrets breaking up? If I take things slow with her, we will get back together again sooner rather than later. Just be patient, keep texting her and she will come to you. Yes, I can do this!”

Yet, he just texts her in a neutral, friendly way, which doesn’t create a spark.

Alternatively, he jokes around and is silly when texting her, which she laughs about, but doesn’t feel much attraction for because she knows that he really hasn’t changed.

In her mind, she knows that he probably hasn’t even begun to change the subtle things about himself (e.g. how he becomes insecure if she tests his confidence, how he gives her too much power over him, how he is too nice to her and lack the emotional toughness that she looks for in a guy).

So, while she is stringing him along via text and giving him the impression that he has a chance, she is secretly trying to find a replacement guy to move on before he does.

That way, she doesn’t have to be the one feeling rejected or left behind.

When she secures herself a new guy, she then suddenly stops being so nice to her ex.

She starts pushing him away, being rude and ignoring his texts, which then leaves him feeling hurt and confused and saying, “My ex changed overnight and is like a completely different person now.”

6 Mistakes to Avoid When Your Ex Suddenly Changes into a Completely Different Person

When your ex girlfriend (or wife) is no longer behaving like the woman you used to know and you don’t know why, you might feel tempted to try to force her to change back to who she was before.

Yet, that just doesn’t work.

If you want her to change back, you have to let her do it naturally, otherwise she will resist and reject your attempts to get her back and become increasingly cold, mean and rude to you.

The fastest way to get her to change back and be a nice, warm, loving and caring woman towards you, is to make her feel sparks of romantic and sexual attraction when you interact with her.

If you do that, she will then want to be nice to you for her own reasons (i.e. she’s feeling attracted to you and drawn to you again, so she wants to explore her new feelings for you and experience what would happen if you and her talked again or met up in person).

That’s how it’s done.

Unfortunately, most guys don’t know that or know how to do it, so they unintentionally turn their ex woman off even more.

For example: Some of the ineffective ways that a guy might try to get his ex woman to change include…

1. Trying to get her to feel sorry for him

When a guy feels that his ex changed overnight into someone that he doesn’t recognize anymore, he might try to make her feel pity for him by letting her know how hurt and disillusioned he feels about her change in behavior.

For example: He might post sad, lonely photos of himself on social media in the hopes that she will see them and feel guilty about her treatment of him.

Alternatively, a guy might ask some of their mutual friends to tell his ex how hurt and betrayed he’s been feeling because of her behavior towards him.

He’s hoping that if she realizes the negative effect she is having on him, she will quickly revert back to being the nice, sweet woman that he remembers and then come rushing back into his arms.

Yet, it just doesn’t work that way because a woman doesn’t want to feel like she’s doing a guy a favor by being with him.

She wants to be with a guy who makes her feel respect, sexual attraction and love, not pity, guilt and sympathy.

So, don’t waste time trying to make your ex feel sorry for you in any way because it will almost certainly make her feel turned off by you even more.

Another mistake that guys make when trying to get their ex woman to change her behavior is…

2. Asking her why she is treating him so badly

When a guy doesn’t know how to cope with his ex’s unexpected negative behavior towards him, he might become emotional and ask, “How can you do this to me? Why are you being such a bitch all of a sudden? I thought we were still friends, but you’ve changed and are acting like a completely different person now. You used to be such a kind and caring person. What’s gotten into you? Don’t you even care that you’re hurting me? I don’t deserve to be treated in this way. I love you and have always loved you. Why are you being like this?”

Yet, rather than make her think, “He’s right. I am being a bitch towards him and it’s wrong. He doesn’t deserve what I’m doing to him,” she will think something like, “If he thinks that behaving like a sad, hurt little boy is going to make me love him again, he’s got it all wrong. Doesn’t he know that women aren’t attracted to emotional weakness in men? Where is his confidence? Why does he need me to be nice to him to feel good about himself? I don’t want to have to baby him now that we’ve broken up. He can learn the hard way. I’m not going to be nice to him to make him feel better.”

Here’s the thing…

Although a guy might feel frustrated and hurt that his ex has suddenly changed and is behaving like a completely different person towards him, the only way to make her stop giving him the cold shoulder and become the woman he remembers again, is by reawakening her feelings of respect and sexual attraction for him.

He needs to think, act, behave and interact with her in some of the ways that are naturally attractive to women (e.g. being confident, emotionally strong, emotionally masculine, making her laugh and smile, making her feel girly and feminine in comparison to his masculine approach to a conversation or interaction).

So, if you feel that your ex has changed towards you and is treating you in a way that you don’t like, don’t bother trying to convince her to change her mind by showing her how badly you feel about it.

Instead, focus on making her feel respect and sexual attraction for you again.

When she’s feeling attracted to the new and improved you, treating you with love and respect will happen automatically, because it now feels good to her.

She stops looking at you as her ex and starts looking at you as a potential lover or boyfriend again.

As a result, she has a reason to want to get back with you and therefore, will start being nicer to you again.

Another mistake that guys make when their ex woman changes her behavior is…

3. Getting angry at her

Getting angry at her for changing her behavior

For example: He might start shouting at her and accusing her of playing mind games with him.

Sometimes, a guy might even become overly aggressive, threatening or even violent towards his ex girlfriend or wife.

However, it goes without saying that anger and violence isn’t going to cause a woman to sincerely say, “Oh, I’m so sorry! I don’t know what I was thinking. Please forgive me for being so bitchy towards you. Will you ever be able to give me another chance after what I’ve done?”

She might say that because she is scared of a guy, but she’s going to be secretly planning on getting away from him as soon as possible.

4. Pleading with her to go back to who she was before when things were good

Sometimes, when a guy doesn’t know what else to do, he might say to his ex, “Please stop acting this way. Please try to remember what we had. If you do that, you will be able to go back to being the woman I fell in love with. Can’t you see that the person you’ve become isn’t you? You’re better than this. Please. Just stop acting so cold and rude to me. You know what you’re doing is wrong. I love you. Please just see that.”

He’s hoping that she will see things from his point of view, realize her mistake and change back to being the woman he wants her to be, even though he hasn’t even reawakened her feelings of sexual and romantic attraction for him.

He’s feeling attracted to her and really wants her back, but she isn’t feeling it, so she doesn’t feel like being nice to him and allowing him to get her back into a relationship.

So, rather than changing back to the kind of woman he wants, she feels even more annoyed and turned off by his inability to see things from her point of view and understand that the feelings just aren’t mutual right now.

He wants her to treat him like everything is okay and as though they can start over again, just because he wants to.

He wants her to be nice to him and give him another chance because he wants that.

It’s not even about what she wants or needs, so she closes up and doesn’t give him a chance.

Here’s the thing…

If you want your ex to change the way she’s treating you right now, you need to show her (via the way you think, act, behave, interact with her and respond to what she says and does) that you’ve understood her real reasons for breaking up with you and have made some real changes to yourself.

You don’t have to be perfect to convince her, but you do need to show her that you’re not at the same level you were at when she broke up with you.

When she can see for herself that you’re a different man now, her behavior will change automatically because the new you is so much attractive and appealing to her.

Another mistake that guys make is…

5. Continually putting up with her bad behavior just so he can interact with her

If a woman feels more emotionally dominant than a guy, it becomes very difficult for her to respect him.

If she can’t respect him, she also can’t feel real attraction for him.

So, when a guy is being a pushover by putting up with her bad treatment of him, she loses respect for him.

She doesn’t think, “Awww, how cute. He’s being so understanding and patient with me. How can I be so cold towards him when he puts up with all my bad behavior? I need to quickly show him that I’m sorry for my bad behavior.”

Instead, she will think something like, “What a wimp. I can’t believe he’s still hanging around after all the bad things I’ve done to him. Doesn’t he have any pride? I would never tolerate a guy treating me the way I’ve been treating my ex. Well, if I wasn’t sure about the break up before, I can now see that he’s just not man enough for me. At least now I can move on and find myself a real man, knowing that I’m not making a mistake. He just isn’t man enough for me.”

So, what should you do instead?

When you’re interacting with your ex, don’t make the mistake of thinking that being a pushover is going to bring her back to you.

Instead, what you need to do is to remain confident and stand up to her when she’s being out of line.

It’s not about getting angry at her or cutting off contact if she isn’t nice.

Instead, you just laugh at her behavior and let her see that you’re not impressed or intimidated by it.

Then, you need to use your interactions as a way to respark and reawaken her feelings of romantic and sexual attraction for you, so she has a reason to be nicer to you and meet up with you to give you another chance.

Finally, another mistake that guys make when their ex woman changes her behavior and becomes rude, mean, cold or bitchy is…

6. Not turning her rude behavior into something for both of them to smile and laugh about

One of the easiest ways to change a woman’s behavior from negative to positive is by making her laugh and smile.

So, when your ex is being bitchy and cold towards you, rather than let it upset you, turn it into something both of you can laugh about.

For example: The next time she’s being rude to you and saying things like, “What do you want?” or “Leave me alone! I don’t ever want to see you again,” you can say something like, “Whoa, aren’t you a little tough girl now? Woo, I’m so scared and intimidated. Let me see your muscles. Wow, you’re so strong now,” and have a laugh with her about it.

By making her laugh, you’re breaking the ice between you and her.

You’re effectively saying to her (without saying this to her at all), “Hey, I’m not going to crumble just because you’re behaving the way you are. It’s okay. I’m man enough to take your bad behavior and not be intimidated by it. I’m stronger than you, but I’m also a good guy. I’m able to turn a potentially negative situation around into something that both of us can laugh about and feel good about together.”

Change how she feels and she will change her behavior

When you turn her rude behavior into something for both of you to laugh about, she will be impressed to see that you’re confident enough to joke around with her, even when she’s being rude towards you.

Then, she won’t be able to stop herself from feeling good about you and her.

When that happens, her guard comes down and she starts being a better woman to you because she now wants to impress you, rather than push you away.

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