Hello DontEatTheWorm: Thank you for bringing your concern here to PC. Since this is your first post, welcome to Psych Central.

I'm not a mental health professional & I don't know if the behavior you describe would be considered a sex addiction or if it would be considered something else. Here's a link to an article, from Psych Central's archives, that offers a brief discussion regarding what sex addiction is plus links to a number of additional articles on the subject including a sex addiction quiz you can take. Also included is a link to an article that discusses 8 quick facts on sex addiction:

Understanding More about Sexual Addiction

9 Facts You Need To Know About Sex Addiction

You might also like to take some of the other quizzes & tests that are on offer here on PC. Here's a link to the listing of quizzes & tests that are available:

Psychological Quizzes and Tests

I hope you find PC to be of benefit.