SOURCE: Ladies Night, Round 2!
Lots of good, earnest advice here, though a lot of it should be common sense. Maybe it's the cosplayer in me, but I don't see why it should have to be stated that if a woman is willing to dress up as your geeky fantasy then the favor should obviously be returned. She dresses as Slave Leia, you dress as The Doctor. She dresses as Cheetara, you dress as Malcolm Reynolds.
It's only fair, right?