John Leland is a reporter at The New York Times, and the author of "Happiness Is a Choice You Make," "Hip: The History" and "Why Kerouac Matters: The Lessons of 'On the Road' (They’re Not What ...

If you'd asked John Leland just two years ago his thoughts on aging, he'd have focused on the negatives. But now the author of "Happiness is a Choice You Make" is speaking out. "You lose your ...