"Midlife crisis is too strong a term, but at 42, I realized I still had half my working life ahead of me," says Wade Sanders, a financial consultant with IJL Wachovia in North Wilkesboro, N.C. "I believe you need to do what you want to do."Yet at the time, Sanders wasn't doing something he wanted to do. After college, he had joined the Wilkesboro headquarters of Lowe's, a chain of building supply