The two halves of our lives.
And producing our best work.
Mark Twain said: "The two most important days in your life are the day you are born and the day you find out why."
While I subscribe to this Twain ideology myself, I think there's another way to divide our lives in two.
There's the part of your life where you live for the approval of others. And there's the part of your life where you stop seeking the ap…