Many years ago I started work at a company and had several people that reported directly to me. I held a get acquainted meeting and let everyone know I was a Bruin fan and how the team did on Saturday would reflect my mood on Monday.
My right hand person was a woman who was a big football fan (mainly pros), but didn't know a lot about college teams. I took the opportunity to spell out the wonders of being a Bruin fan and of course the perils of being a Scumbag Trojan fan.
On Mondays Whenever I talked about the teams it was always the Bruins and the "scumbag trojans".
A couple of months after I started to work there, she went out on a Saturday night date with someone who also happened to be a diehard trojan fan. On this particular date he started to talk about USC when she just matter-of-factly blurted out "You mean the scumbag trojans". He practically fell out of the chair in horror, and wouldn't talk to her the rest of the evening. On Monday she tried to blame me for her disaster of an evening but I was laughing so hard I had to sit down before I fell down. The blame portion pretty much fell on deaf ears.
I told her a person should not get in trouble for telling the truth and she was better off not dating someone of the caliber.
By the way, he didn't call her again for 6 months.
A true story.