At this point, it's you who dislikes his old group of friends that he continues to spend time with.

One day, you found him in the bathroom, but he was already dressed for school—or was he getting ready for one of his friends' ridiculous parties? You leaned against the door frame and asked him, "What are you doing?" He responded in an irritated tone, and his expression darkened when he noticed you. But why? He had never... he had never behaved this way around you.

It's none of your concern. Are you ready for school or not?