@UGAno07,
Getting counseling does not have to be wedded to staying with him.
I do, though, urge you to get counseling. Start to think about your strategy. Yes, a strategy. How will you raise your children if you need to be on your own? How will you handle things if you stay, and he has a third affair? You're going to need a strategy, and some coping skills, whether you stay or go.