In our first installment of "Second Opinion," Dan and Slate's Dear Prudence face off on how to deal with poisonous in-laws, and how much to tip when you receive an unexpected happy ending. On the Magnum, Dan chats with Dr. Paul Vasey about feeders, and whether it's possible to re-wire your kinky brain. And so much more. Click on the microphone and enter "Savage" for $55 free postage and a digital scale.