Welcome to Giddy’s Visitors’ Guide to the Vagina, a comprehensive five-part series that aims to help the most novice and experienced invitees to the vagina better understand how their partner’s intimate parts work, how they stay healthy, how they age, and (maybe, most importantly) what makes them tick. Sure, that may sound like a lot, but fear not—armed with a true understanding of the vagina, you’ll be well prepared to approach it, face to face.