[ It's clear that this guy is a ball of barely restrained aggravation. Aizawa has no extra-sensory perception; he can't pick up on feelings intrinsically. But he is a great noticer of things, of people. Something in Kylo Ren's attitude--a sense of prickly belligerence, of disquiet--reminds him of a few of his students.
no subject
But this guy's not a kid, is he? ]
And you? You got your power back, didn't you?
[ Whatever it was. ]