Today in Penthouse Letters Slate.com, their resident sex advice columnist answers a question from a 16 year old girl who wants to know if she should ask her mom about buying a vibrator for her. As a guy, I don't remember masturbation being this complicated-- the last fucking thing on my mind was talking to my parents about it, let alone asking them to buy me porn or whatever. Because those were back in the days when porn wasn't free and flowing out of every crack in the wall.