And another reality check: Your dad wasn't getting much sleep with the hookers. Maybe the hookers were just a symptom of your parents' growing apart?

In most cases there are difficult and complex reasons that marriages fail. Sometimes we only hear one side or a highly “sanitized” version of the reasons - Usually the person telling you leaves out anything that makes them look bad and dwells on what makes their ex look to be at fault. I have as suspicion that what you related you heard from your mom or from someone who was telling her side of the story. While it’s true that occasionally the fault in a relationship is virtually all on one side that is rarely the whole story. Many times there are several things leading up to whatever was the breaking point and you are not likely to hear about that because that’s a much more complex story with potentially “fault” on both sides. I suggest that it really is not your place to judge or attempt to “fix” your parent’s marriage. Any attempt to insert yourself into your parent’s relationship will likely backfire. Remember, you had two parents before the divorce or separation and you still have two parents. Taking sides in your parent’s relationship will effectively deprive you of a healthy relationship with one of your parents - And you might not have heard the whole story. Listen, observe, don’t be judgmental and you will likely eventually hear an explanation from both sides. My own parents divorced when I was in college. I had to learn to deal with them as the individuals they were and not as husband and wife.

They’ve grown apart because he was seeing a hooker and because he was seeing a hooker they’ve grown apart.