[ His tone is gentle when he speaks next, even if he's still frowning, still bothered that the first thing she thought he wanted was a casual hook-up. Like he'd do that with a student. ]

Charlie, if I wanted something casual, I wouldn't be here right now. Why would I go for a one time hook-up with a student? It would be much simpler with a teacher. [ He shakes his head, feeling once more like he's saying the wrong thing. ]

What I mean is... I'm risking a lot to be with you, but I want to do it. I wouldn't bother if I wasn't serious about it.