This part is over. This he's in your home but isn't in your marriage part is over. You can't trust literally anything he's saying to you about how he sees the future or your past. FFS he was ready to tell your teenage girls their mother isn't as bangable as she used to be in his eyes and that's a good enough reason to get a divorce. Those are not the words of a grown a$$ man who has any idea of the difference between his head and his arse.
YES
What kind of person does that? It's not very attractive.
But you girl, are a catch. Look at how strong you are in the middle of all of this.
As far as the telling the kids thing goes (I am dreading that, too), here is a MWD video with her advice on it that I found last night:
the best apology is changed behavior. *************** me: 45 h: 48 m: 23 T: 26 DD1:19 DD2:16 DS:11 BD1: PA for 2 yrs 08/2016 BD2: OW is one of my closest friends 12/2016 BD3: H wants a D 11/2019