Update. Finally confirmed that my wife is a cheater via PI

I want to thank all of you for taking the time to respond to my previous post. I have DNA tested my son and he is indeed mine. This is probably the only good news I've had in the past few weeks. I have started the divorce process and my wife has been served. While I feel that divorce is the only right option, I can't help but feel guilty for doing this to my son.

My wife continues to ask me for another chance, but I'm not sure how to proceed or if that's what I want. She's not taking any accountability for her actions and has blamed me for the affair. She then switched to the "it was only sex" excuse and is asking me to forgive her because she was after something I wasn't willing to provide. (The sex she was having with AP was a 2-3 times a week thing during 4 months).

I have reached a point where I am very angry with myself for still being in love with this woman, despite how much she has hurt me and how her cheating is tearing our family apart. Although I have started the divorce process, I am still unsure of what I'm going to do.

Have any of you stayed in a relationship with a cheater because you didn't want to break up the family?

Forgot to mention, her and AP got fired and she’s currently looking for a job

****** I wanted to edit the edit the post to say that I took so long to update, a lot went down the last couple of days. My wife have been having some health issues during all of this, and I had to fight myself not to be there for her during all of this . I feel so horrible for that. But she’s ok now.

Some info about AP, he is single, and my wife said he wanted her to divorce me for him, but she only wanted sex, she loves me and that’s why she never wanted to.