Amy Alkon, Advice Goddess and author of “science-help book” Unf*ckology, drops in for a fascinating conversation with Bridget about living in the modern age with Stone Age brains, the evolutionary importance of social status and why “thirstiness” is such a turn-off, and how her career giving advice began as a joke when she stood on a street corner in New York holding a “Free Advice” sign and people began to line up.