his ex crush is a pornstar and....

I don't know how to feel about this. My boyfriend and I graduated from high school together last year, and he jacks off to porn. Well  I found out that he seems to watch a certain porn stars video to jack off too, and it's the girl he had a crush while he also had a crush on me, and he knows it is.
Idk, is it bad that this bothers me? That he's jacking off to a girl he used to have a crush on... yeah they can't do anything in person, but he had talked to this girl in the past and developed feelings for her, and now he's using her to jack off to...