"I'm 42 now, what I would consider prime time"

Payne Stewart's quote suggests that he believes he is in the prime of his life at the age of 42. He is likely referring to the idea that life is divided into various stages, with each phase having its own unique benefits and difficulties. At 42, Stewart might feel that he has the wisdom and experience to take advantage of his life, while still having the energy and interest to pursue his goals. He may also be describing the idea that life is a journey, and that he is now at a point where he can make the most of his opportunities. Stewart's quote is a reminder that life is a precious present, which we should maximize it while we can.