Vending machine tokens, Nie Huaisang decides, are the one good thing about the Scholomance. They are the only sign that anyone involved in the design of this thing thought that there was anything important about the experience of one's teenage years other than being alive at the end of them.
(Da-ge-- but he couldn't think about da-ge.)
He puts in his token and gets a fun-sized chocolate-covered raspberry marshmallow bar. It's crumbling with age. He looks at it suspiciously and tries to remember if you can get food poisoning from chocolate.