******************************** he vowed that he was faithful because I couldn't see how that could be possible. ******************************** As long as you realize he was in a no win situation. This was a biggy. You are right in thinking it will take some time. Negativity is a funny thing. It really skews reality and can ruin everything if we let it.
All you can do now is learn from it, and perhaps a little more change. Ain't change fun!
I'll bet the energy you are spending worrying could be used elsewhere. I know mine could.