Alex had managed to keep up with schoolwork and even write down assignments so he wouldn't forget them, but now without an essay or something to do, his mind wandered and he found himself heading somewhere. Anywhere but the common room and his housemates and their sympathetic looks. Wandering the castle was always interesting anyway; no telling who or what you'd see.
He turned a corner, not really looking, narrowly missing running into someone, catching himself and giving the man a bit of space. He looked unsteady, and Alex put out a hand. "Hey. You okay?"