A small part of Wangji is would find the awe at his age amusing, another is just grateful that Madoka doesn't seem to be the type to make fun of someone for how long they have lived and how little they have experienced.

The tight grip she has on him gets tighter for a second, but then she's gasping at the gliding and really, it just makes Wangji so happy to get to teach and show people things again. It makes him think of the fuzzy memories when Shizui was just learning to fly on his sword and the most amazing thing Lan Wangji could do was this very same thing.

"Mn. I am using my energy to slow our downwards momentum and propel us forward. It is a martial art ability that you can master with time and practise." And the potential, but Wangji never held that in question about himself and so doesn't think to in others.