Sex is good for your brain. Mad Men is good for TV. In Britain, revirginization is not a thing of the past. These stories and more in this week’s So Last Week, Sex News You May Have Missed.

• Mad Men. Adultery and Alcohol. Is that so wrong? (NYTimes)
• Sex does your brain good. Pass it on. (Asylum)
• Is monogamy the root of all equality? (TheGuardian)
• Hymens. It shouldn’t matter if they’re broken. (Salon via Daily Mail)
• Forever 21’s maternity line targets those forever 21. Profitable perhaps, but at what cost? (MsMagazine)
• Stag Antler. Cavewoman’s first sex toy. (TheSun)
• Facebook censors women’s page “Our Porn, Ourselves.” (CarnalNation)
• Chelsea Clinton gets married, while…(TresSugar)
• …Laurence Fishburne’s 19-year-old daughter, Montana, does porn. Proudly. (NYDailyNews)
• The Steve Jobs porn experience. Apple’s head honcho may no-likey porn now, but was that always the case? (Gawker)