Not really a wonder .. they where a special kind of men. Adrenalin junkys and very smart .. they had been Testpilot and Astronaut. What can you do after that .. what job can compete with that ..
Reminiscent of one of Tom Hanks' lines in Apollo 13 when Jim Lovell announces his retirement: "I'll be walking in a place where there is 400 degrees difference between sunlight and shadow. I can't imagine ever topping that."
