We spoke last about genetics accounting for 50% of our happiness set point, and I’m curious if that percentage is in line with your thinking; or were you under the impression that genetics would play a bigger role, or perhaps a smaller one. As we mentioned, genetics is accompanied by circumstances and deliberate activities, as the three factors that influence a person’s chronic happiness level. Before we define and understand these latter two factors, let’s talk a little bit more about the role that genetics play.