His fingers curled tighter, nails biting into scalp as he forced himself to breathe. Forced his eyes to close.

He couldn't even figure out what he'd done, but the fact that it was so clear that he'd done it was killing him.

He didn't say anything for several long seconds, and then, abruptly:

"I should go."

He got up, shoving his still-hard cock back into his pants with a curse.

Clearly, he couldn't be trusted to be near Finn. Not if he couldn't even tell when he was doing something wrong.