<human>: Can you give me the gist of the text in a nutshell?

Me and my girlfriend broke up sometime early last year and we were no-contact for a while.

During that time I had tried to win her back but she moved on really quickly and told me that she was in a relationship. This hurt me a lot that she could move on so quickly, so I went no contact and that was that.

Fast forward to November, she contacts me out of the blue saying that she wanted to meet up. At the time, I felt that I did not want anything to do with her so I ignored her messages, but it turns out, she was single at this time.

Then this month in January she messages me again saying she misses me, that she regrets us leaving each others lives and that she wants reconciliation.

I was still in love with her, and eventually we got back together. I noticed that she was taking all the initiative to get together and treat me right and I am genuinely really happy.

I don't want any negativity or insecurities to mess this up this time, so I'm bringing a concern up to reddit. It's about her ex boyfriend, they are still friends. She doesn't see him or anything (mainly because she's busy and spends her spare time with me), but frankly I wouldn't feel comfortable with her having ANY communication with him. All I know is that when they broke up she had almost immediately reached out to me and also mentioned that it was a very pointless relationship.

Am I wrong for even making this a concern? On one hand I feel that knowledge like this should stay in the past and that you can be friends with ex's but on the other hand I feel that she was with this man while I missed her and she essentially chose pursuing him over me when I was trying to "win her back."

Am I being irrational for feeling like I want to randomly bring it up to her attention that I want her to stop any future contact with her ex? Is this a non-issue that is only coming out of an insecurity from my feelings when she was hurt from the breakup and wanted to move on?
<bot>: Reconciliation with my ex is very successful, but she is friends with her ex. Having conflicting feelings about feeling insecure about this because I'm not sure if I'm being irrational.