I suppose there are lots of benefits to turning sixty-two, but from this side of the calendar, I am having a hard time seeing them. There are a few perks for "seniors," like discounts in some restaurants and sometimes on airline tickets or hotels. But most of the consequences of age are negative, and it's hard to accept them without a little cynicism if not outright anger. For one thing, the plant starts to break down around age 55, no matter what you do to keep it humming a precision tune. Here's a test: Sit on the floor. Now, get...