"It's fine." He shrugged back weakly. All in all, it wasn't the weirdest position his mental vulnerability had put him in here. "It's just strange, not knowing what you're looking at."

"Invasive" was a better word. "Hacking up things," however, pulled his attention away from that subject. He'd thought those coughs from before hadn't sounded like they came from a winter chill. That made it sound really serious...

"Oh. You should get inside, then." He glanced back towards the front of the building, where some of his fellow gym students could be seen jogging by on their own laps. "I need to get back to class, anyway. What room are you in?"