In Arizona, as a condition of getting a divorce when you have kids, one has to go through mandatory counseling about your kids and your dates. If a son or daughter can take a dim view of a new person in your life, and makes life miserable for you, consider what happens when you introduce a new person to your cat.
Cats can be extremely possessive and jealous.
One lady I dated had a cat that would run up and bite me. It seriously tried to sink its teeth into my shin. There is no amount of good sex or love that can overcome rabies shots. I have a cat. My cat has taken to sleeping on the right-hand side of the bed.