Chances are you would never tell your best friend’s boyfriend what she’s spilled to you about their sack sessions—and for good reason (um, awkward!). Sex therapists, however, are more loose-lipped, at least when it comes to sharing guys’ secrets that will strengthen your relationship and make for even hotter sex. Learn what he’s dishing out behind that closed door and how you can use that knowledge to make both of you happier, in and out of bed.
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