"How very true," Leanne responds in a calm, pleasant tone. Blaise isn't actually the first to ask this sort of question, although usually it comes from skeletal girls who give her uncomfortable flashbacks to Azkaban. Why people would want to starve themselves liek that is beyond her.
However, that's a mystery for another time and now she produces a little booklet containing the ingredients and nutritional information for all the food served at the Inner Brew. "Also, if you have any food allergies then you'll find everything you need to know in here," there's a challenging spark in her eyes and Leanne actually finds enjoyment in wondering how next he'll try to annoy her.