WARNING Reading this book may lead you to happiness. Do you really want it? When psychologists spoke to folks at nursing homes and hospices about the regrets they have had in their lives, almost all of them mentioned something that made them unhappy. Some people wished they had spent more time with their families. Others wished they'd had better health during their lives. Even more wished that they'd taken that risky job, gone on that fun vacation, or married that unconventional girl. Very few of the regrets expressed had anything to do with owning a plasma TV, or a bank account. It...