What embarrassing misconception did you have about sex as a kid? Why do men have nipples? Do you need variety in your arousal template? Do you really know the difference between a soft swap and a hard swap? Sex roulette: is this a thing? How effective is HIV prevention medicine? What do you risk, besides a case of the babies, when you have unprotected intercourse? Since when did the blow job lose its stature? Finally, this week we also discuss sitters vs. squatters and the hoopla over unisex bathrooms.