2) One for the ladies. You get a sex change from female to male. You can ejaculate but you have no sperm count, so you can't impregnate anyone. Like above, what are the best and worst things about your new gender?
(Disclaimer: If you're going to comment just to say that sex changes are disgusting/wrong/OMGSICK, do yourself a favour and don't. I get very defensive about these things and I'm not about to try and start any flamewars)