Patron, yelling at their child: SIT.
Me: What a lovely person.
Patron: I need a library card.
Me: Fill out the application, please.
Patron, 30 seconds later with a blank application: What exactly do you want me to put on here?
Me: I want you to fill out the form.
Patron: Well you don’t have to get angry-
Patron, turning back to their child: I SAID SIT.
Me: Yeah. I’m the problem here.