OK, we all know pretty much the basics: good TCB, timeliness, cleanliness, hygiene, being polite, having a good attitude, and some others I probably forgot.
However, I think there are other things that can ruin an otherwise well set up date. Here is your chance. What does it for you? We can all learn from these additional dislikes.
For whatever reason, and it's highly illogical, mine is poor grammar. Maybe that's part of the fantasy for me. Someone who uses good grammar. And I say it's illogical since who cares about grammar when all you want is to get laid?