How old?

I'll be 66 next month, what helped me was a book I read about 12 years ago My Life of Adventure, by Alaskan, Norman Vaughan. It's not the best written book I've ever read, but the message is wonderful! During his lifetime Norm dropped out of Harvard to be a dog musher on the Admiral Byrd Antarctic Expedition and while there had a 10,300' mountain named after him. At the age of 89 Norm came back and climbed the mountain. He also competed in the Iditarod well up into his 80's. Basically his message was, that though you might be slower and uncompetitive with the younger guys you can still have a wonderful time doing it. After reading Norm's story, I realized that my "Golden Years" didn't have to be miserable.
Norm passed away at 100, however his story lives on. Here's a link to his book http://www.normanvaughan.com/book_lifeofadventure.html
Steve