If Snow stays with me, then she is simply getting her priorities backwards.
Just a little bit more and she'll turn into an idiot kid.
"I'll be at the test firing range until evening, so come over once you're done with classes."
"....... Okay. Once I'm there, can I shoot Lute-kun's revolver?"
"Of course. So do your lessons properly, 'kay?"
Snow took an interest in the revolver after the incident.