The social norms in western countries are beyond our understanding. Its fascinating to know how relationship are viewed by young and old in USA. Lot of fun is added by Economist Tim Harford, who used economic tools to answer the question on love, sex and life. NPR produces treasure trove of ideas, podcast are worth listening.
Disclaimer : its long, it may take 5 minutes for you to figure out, where its heading, trust me, its lot of fun. Normally, we do not get time or have patience to listen, oh… boy, it was really funny and intellectually very stimulating..
NPR Here is the Link.