"I promise I'l never try to tread into your family life!" - things yanderes say before they tread into your family life...
(Yes, I would like a yandere sequel)
Obviously, it went the way it did, because it was funny, but realistically, you'd think that the guy would have asked the friend what the girl's tastes actually were rather than just assuming what "bad" meant. The fact that he didn't doesn't exactly make him look smart. But the result _was_ funny. :)
...True, people do have their individual tastes.
I wasn't quite expecting the old man, but I guess I should have considering the title.
That ending though. Nice getup, I'm sure there's at least one girl somewhere who would love that.
(Yes, I would like a yandere sequel)