Huh, this went in a more interesting direction than I thought - I was sure it was just going to be a "here's a person at work all stuck up and stuff, now here they are out on the streets letting their freaky side show!".
Seems like she has unreasonable hatred toward him. She's jealous (or just annoyed) that the girls fawn over him because he's good looking, despite him not having done anything to her, aside from making mistakes at work. Poor fella.