February had an extra day this year because of Leap Year. I always envy people whose birthday falls on February 29. With a birthday only every four years they must age far more slowly. For the rest of us it’s one birthday every single year, always on the same date, with no sign of slowing down. It may be possible to grow old gracefully, but it is all-but impossible to grow old secretly. The hidden computers that count the days of our lives know exactly when a big birthday has passed, and when we enter the great senior marketplace. Ten thousand baby boomers turn 65 every day, so this is a huge market, and the older you get the more the sales pitches pour in. This year I found myself a prime target for people selling retirement communities, every imaginable type of medical product, and even a place in a mausoleum at 10% off – how could I resist? The local hospital, which usually leaves me alone, now urges me to join its seminars on “How to Get Old.” But I’ve been there, and done that. In