He wonders how long it will take for Wanyin to come undone, if that will alleviate any of the desire coursing through him. It is uncertain. He strokes him firmly, thinking what he likes himself and tests what draws a reaction from Wanyin's lips. Is it when he twists his hand? Rubs his thumb over the tip where he is leaking?

Xichen lets himself be drawn deeper, staking claim to Wanyin's mouth. He pulls back when they are both breathless, only to kiss and nip at the other's jaw. He wants to be rougher, to push lines he has not wanted to push before. Maybe the spell, whatever has taken hold of his companion is starting to affect him now that they've given in.