Maxwell: I always think everything has to do with hormones which is still very mysterious. Women have gotten so removed from understanding their cycles and there's a lot of great apps out there that women can learn to track it their cycles but then if you're in the birth control pill it's actually mimicking your period you're actually ovulating so it's tricky, he says. He also talks about his new book "Beyond the Pill" by Jolene brighten who will be appearing on this week's episode at 10 p.m. ET.