His eyes go wide from the moment he starts talking to the moment he finishes. He is a mix of horrified and fascinated by everything he's being told. It's evident by everything in his expression that all of this is brand new information too. Absolutely nothing, even the stuff that would be similar for a man or a woman, is familiar to him.

He's quiet for a few minutes when Yuan is done processing all of this. "How.. um.. how do you know which one should do which part?" He asks finally. "Is there some etiquette you're supposed to follow to decide who gets to be the one um.. being laid upon or doing the laying upon?" He can see both being a lot of fun. He wonders which Zizhen would like. Is there one he's been dreaming of? Did he even know this was how men were together?

"Where should I go with him? It's a room of bunk beds in the dormitory."