I may or may not be speaking from experience.
Well, if I was the only one who screwed up, I'd just go out and admit it. As it stands, though, I'm not allowed to say that the other 50% (i.e.- her side) of that story is true, probably because it's mildly embarrassing.
On Feb 14th in South Korea, the girls buy guys chocolate. On March 14th, the guys buy girls chocolate. On April 14th, those that didn't receive any chocolate eat black noodles alone. (These are all true, check Wikipedia.)
B-... But it's only tradition, right? You can choose NOT to eat the black noodles... right?