So, I had a huge midterm and I was studying in the library for it for three hours. I don't have that much money, so I decide that I'd just get a snack and a very sugary, caffeine-loaded something to keep my brain awake. I go to the campus bookstore, get the aforementioned food, and go to check out. 

Me: Hi.
Cashier: *stares at me for around 30 seconds, looks at my items, and then looks me up and down very slowly* Are you sure you really need that?
Me: o.0 
Cashier: You'd look good if you lost some weight. 
Me: ???

I just paid and left without saying anything because of sheer confusion. I mean, what the hell?