"I think so. Even I can be discreet, and I have ... a lot of trouble with anything that isn't like, direct communication."

He may be selling himself short here, in the sense that he also has a pretty decent grasp of body language, go figure. But he doesn't enjoy lies or omission, and only engages in the latter out of necessity.

Then again, his parents borderline disowned him even without finding out he's a spell-casting bisexual. So maybe it wasn't worth it to spend all that energy on a double life when their highly conditional love was just gonna get removed by his choice to get a master's.