Courage, bravery, fortitude, will, and intrepidity, is the ability to confront fear, pain, risk/danger, uncertainty, or intimidation. "Physical courage" is courage in the face of physical pain, hardship, death, or threat of death, while "moral courage" is the ability to act rightly in the face of popular opposition, shame, scandal, or discouragement.
Go forth and confront the could have beens and the should have beens. :)