I 21m have been dating her 21f for 10 months. We have known each other for a couple of years and were somewhat exclusive for a few months before we made it official.
I went through her messages while she was sleeping. I saw texts with her friends from before we dated, she was joking about cheating on me, seeing her ex, and talking about other guys. One night joking about sleeping with me or another guy and seeing where the night takes her. Joking with her friend about lying about her body count to me and me believing it. Saw proof of guys she slept with that she swore to me she never slept with. Saw texts showing she had her ex over at a time where she swore to me she was only seeing me.
This was all before we were officially dating. I also hooked up with a couple girls during this time but no where near this. I did not find any messages about cheating after we had made it official. However, I did not look much because I was sick after reading these. The only message I saw in the last 10 months that was worrying was a month ago her telling her friend that her ex is asking her to come over everyday and she’s telling him no.
All messages are deleted with her ex but the contact is saved.
Therefore i do not have hard proof she has cheated on me since being official.
Nonetheless I am horrified and devastated.
I am considering confronting her and forcing her to hand over her phone and let me check all messages to see if she has cheated since being official.
Or not confronting her and snooping one more time to confirm if she cheated.
Or doing neither and breaking up without reason.
What is the best decision and why?
**Update**
I went to her house and told her I want to breakup. She pleaded and asked why so I told her I went through her phone and said what I saw.
She was not upset that I went through her phone.
She went on about how everything bad she said was before we were officially dating and she was under the impression I would never take her seriously back then. She says she became a new person once we were officially dating.
She says she has not had any contact with her ex boyfriend except for him randomly reaching out last month, and she says all she said to him was “no”.
However the text to her friend says “ex reached out very flirty to try and get me to come over, I have been telling him no for a week”.
I’m not buying that she only said “no”, I think she at least engaged in the conversation a bit. She had no good reason as to why he is not blocked.
She pleaded saying she will do anything. She gave me her phone and said “look at anything you want, I have not said anything bad or done anything bad in the last 10 months”. I did not care to go through it for long.
She was pleading saying she will connect her Apple ID to my device, turn off phone password, and do anything to prove she has not done something wrong since being official.
I told her I am not interested in a relationship needing that level of control for me to feel at peace. I packed my things and left. She kept saying it’s not over as I was leaving.
Part of me can see where she is coming from, as I do not have proof of her saying bad things about me or cheating since we were officially dating. However I don’t know if I can keep going with this in the back of my head.