Making fun of your girlfriends parents income sources is rude.
Joe is chatting with his girlfriend Ashley when the topic of Ashley's father working as a janitor comes up.
Joe wants to comment on Ashley's father.
Joe asks a few neutral questions about the janitor occupation and maintains respect for the hardwork involved.
Joe laughs at Ashley's father working as a janitor and makes fun of his capabilities.
Joe and Ashley become closer as they chat more about personal subjects.
Ashley immediately breaks up with Joe and walks away from him.