"Lan Zhan can help answer them too, if more come up." He's not going to mention that Lan Wangji studied how sex between men works whereas Wei Wuxian had no clue at all when he agreed to it.

"Also," he added, lifting a finger and trying to look sage. "If you and Jingyi need someplace to, ah, fool around, I can make sure me and Lan Zhan are out of the house for a while to give you some privacy."