Making friends isn't too hard, when you think about it. You just start by sharing a meal, enjoying a warm beverage, or participating in a common interest. (That's assuming you have a common interest.) For the most scientific of minds, there's a step-by-step process for friendship that can be illustrated in a very simple chart.
Unlock the secrets to making friends with this poster, which replicates the flow chart created by Sheldon in "The Friendship Algorithm" episode of the Big Bang Theory.