How do you ask about transgender issues without coming off like a jerk? And how do you talk about someone who existed one way in the past but is a different gender now so is it "he" or "she" and what's this all about, anyway? The good news is, it's much simpler than you think. Here's a little transgender 101.

[Before we go any further: sex isn't the same as gender. You maybe, probably already knew that. If not, no worries.]