Movies like Goodbye to All That

The guy's wife informs him of her plans to divorce him at a counseling session. Husband is dumbfounded. He has several one night stands. Attends a class reunion and it appears that he wants to rekindle a relationship with an ex-girlfriend. At the end, wife approaches him about his new lifestyle and husband finally admits he now knows about her affair and that she has little room to speak when it comes to being a good role model for their daughter.