Again, until he feels like he has lost you and has made the worst mistake of his life, you are going to have to DB your a$$ off. He has to feel true remorse.
Your ring is a symbol to other men that you are taken. Some men will respect that. Others will see it as a challenge. Do you want other men giving you attention during this?
Whenever you have the urge to argue or state your point of view, STOP and validate his FEELINGS. Get this skill down NOW.
Memorize this line: "The LAST thing I need in my life now is ANOTHER man."
He is going to project his behavior on you. When he accuses you of cheating, you look him dead in the eyes and say that (emphasize the two words in bold). Then walk away.
GAL like a mad woman. Every chance you get, look your best, be gone and doing something fun and exciting. Do not share any details of you life with your husband. Deflection is your friend.
"What is best for my kids is best for me" Amor Fati Link to quotes: https://www.divorcebusting.com/forums/ubbthreads.php?ubb=showflat&Number=2879712