How much sex you should be having in a healthy relationship

How much do you know about your love life? We won't pry, but we will give you some statistics about how and when couples typically have the best sex.

Happify, a website and app that uses science-based interactive activities aimed at making you happier, created this graphic to keep you in the know about sex and happiness. Without further ado, here were their best recommendations and fun facts about the intimate act: