He's not smiling one bit or freaking out over the sensation of falling... Hm. This is going to be tougher than he thought. Maybe he's the one really being challenged here.

"No? Not exciting? Huh. I thought it was, I got a thrill out of it. What do you like to do?" It's unfortunate for Lan Wangji that the skeleton guy doesn't know the meaning of 'shut up', when he's not half killing himself overusing magic. "Sports?"