"Want to go down to the vending machine? I got you a present!"
"I'm ready, yeah. And that's so sweet of you!" ...he has gotten her a present. What does this mean? Are-- are they dating now? What are you meant to do when you are dating? She made a solemn promise to both her father and Mr Xiao not to date till she was out of school (though for different reasons) and here she is breaking it like a week in.
They should sit down over here (he sweeps for mals first) and then he can draw diagrams to help explain the concepts to her.
Unfortunately, to get close enough to see the diagrams, they're also close enough that their legs are pressed together and his arm could very easily go around her shoulder.
Wei Wuxian doesn't seem to find arms on shoulders to be remarkable or interesting in any way, particularly compared to diagrams about magical theory!
"We should really have a magical theory class. I bet that's going to be way more useful than Romance of the Three Kingdoms."