Now happily married for many years, but I still remember one disastrous date:

I discovered he was recently (less than a month) divorced. That should have been a warning, but I was interested in the concert we were going to. Mostly music so there was little conversation, other than every time we talked he was complaining about his ex.

Following the concert we went to a restaurant for dessert and coffee. In the middle of the dessert he excused himself to go the restroom. When he didn't return in20 minutes I became concerned and asked a waiter to go to the men's room and check on him.

He came back, irritated that I had sent in the waiter. It turned out he didn't need the restroom . . . instead he had called his ex and was fighting with her over the phone!

Then he started to tell me what a b...h she was. At that point I told him to do other women a favor and not try to date until he had resolved his issues, I called a cab (this was before Uber) and left.