My husband told his ex she was the best in bed

So we went through some hard times 8 months ago and we separated (literally both changed our minds after about 3 weeks but still) when we got back together I went through his phone... I know I shouldn’t have . He had told me he texted his ex a few times in the weeks we were apart and that he got drunk every night because he was hurting so bad . Well I wanted to know what was said. I read them and he was literally saying he missed her and regrets breaking up w her and then it got into him saying later on in the convo that she was so good at bj and in bed. It literally made my stomach hurt. We are doing much better since 8 months ago buuuut

I feel bad that I went through his phone. I don’t want a relationship like that bc he does deserve his privacy. But I’m so hurt about what he said to her. Idk how to work through this feeling I have. He has never done anything to break my trust or cheated on me but just wondering if he really feels that way about her makes me hurt. I know that in my past years ago I have texted my exes drunk and said things I didn’t really mean or want but idk if that’s true for everyone. Whyyyyyyy did I read those 😭😭 I feel so insecure now

And btw when he told me about texting her he also showed me that he had blocked her number and that he would not ever have any contact with her again.

Also- we have a really amazing sex life and he has told me how good I am multiple times but now I can’t help but wonder if she was better? It sounds stupid but I’m feeling so shitty.

Do u think he definitely meant everything he said got her or could he have just been hurt and drunk trying to talk to someone else ?

Also no she didn’t reject him she was trying to get back together with him and has tried to reach out multiple times since this happened (she makes fake numbers with app and will be like why won’t u reply ? I thought u missed me? Can we just try to get back together? And he will say no and blah blah or won’t reply at all and block them