His lip curls in a faint sneer, scoffing, one staunch denial away from a declaration of, that sounds like exactly the kind of thing a Beast would say. He's not paranoid. He's not paranoid! This is a perfectly acceptable amount of suspicion to be leveraging against anyone he deems shady enough to be a Beast.

"Just watch yourself. That's all I'm saying. Find a willing muse if you're really that eager to be an ar-teest." He punctuates that with the scornful, exaggerated flourish of a hand.