It's been another week! I see you're beginning to accept it's over and out of your control.
I hope you've made some progress in stopping the interactions with your wife as called out by Sandi. I mean, my ex-wife and I get along, and had to make decisions about our D's next school years, and managed <6min of talking. A typical week we spend <2 minutes talking. My ex-GF still sees her ex-inlaws. The rule is, if the in-laws want to see her, her ex is never at any events they invite her to. No Contact can be simple.
I hope you've made some progress in understanding she's not a good partner and the guy who slept with her is not a good friend, that even if they want/wanted you back, the answer should be no. I don't mean in a "sour grape" way because you can't have her, or because you fantasize about being the one to reject her. I mean really understanding what causes you to keep betrayers in your life and not let go. Continuing to love them is fine. Forgiveness is fine. The question is why you stay attached and open to a relationship.
I hope you've also made progress on realizing what you do control--your kids. If your ex is misbehaving with them, e.g. not sending them to school, or participating in illegal activities, you can stop that.
Anyway, my biggest hope is you're finding solo happiness this weekend. Cheers!