I think it depends on what kind of situation a couples are in. But one thing I know, most women who discovered their husband's infidelity will feel hurt, betrayed, and confused and I was one of these...
When a husband get caught cheating, he will use every words he can find in a dictionary. All the lame excuses, stories, and lies will come out of his mouth. His world that was comfortable and fun...
Jump into bed with them and ask if they need help. You can only make fun of it. Let the anger come after, what else is there to do? He have done it, no going back now.