"You down with P.T.G? Yea, you know me! Wait, what?!? W.T.F. is P.T.G.? Post Traumatic Growth is the idea that we can be fundamentally changed in a positive way by our traumas and challenges. 

Psychologists Richard Tedeschi and Lawrence Calhoun developed this concept in the mid-90s. Post Traumatic Growth was becoming measurable. An inventory of 21 items were used to assess individual's response to traumatic events. Their perceptions of self, story, and show.