They were taken close together, then. That makes sense, even if little else about this does. It seems strange that someone would go to such trouble to take them both and give little indication as to the reason.

Still, his expression lights up a little when Lan Sizhui agrees they should get to know each other.

But now he must consider - what questions should one ask, when wanting to get to know someone? He is well versed in proper etiquette, how to respond to Lan elders or senior disiples, how to be a good example for their juniors, how to interact with those from other Sects or those seeking their help. He has less experience with getting to know someone outside of all of that.

"What are the most important things that anyone who wished to become your friend should know about you?"

Nailed it.