You and your boyfriend definitely had different hobbies and tastes. But this does not mean that him not listen to your monologue about new events that have occurred in the fandom in which you are. Even if he doesn't show it, and even deliberately grumbles at you for excessive chatter.

And even now you and Scaramouche are sitting and having lunch on the territory of your school. He listens attentively, without interrupting, chewing his lunch.