Oh my, how horrible for you seriously! It is a terrible shock. My husband cheated on me years ago when my children were young, so I well understand the pain and anger of it. You are definitely not an idiot however. It is not idiotic to trust your man and the father of your children. It is simply unfortunate that he did not deserve that trust.

Regarding supervised visits, I would say if you are truly worried he will physically harm his daughters, then yes, ask for them. However, if you are only thinking of this now because you are upset with him and looking for revenge of some sort, then I would say no. Regardless of his relationship with you personally, the children are his as much as yours. Children need both their parents. If you are uncertain which it is, then I would say wait until you can think a little more clearly about the matter. I never kept my children from my husband after we were separated, however for a short while it was very tempting!

In any event, I am very sorry this has happened, my heart goes out to you. Do take care and feel free to come here to post and vent anytime.