This is me. I’m still astonished to find that I’m now 60 years old. How did that happen? Along with the mystery of how I got this old, I’ve got other conundrums to contemplate, like: How come I gained all this weight? When did my health take a nose-dive? And, last but not least, what can I do about it? The answers to the first two questions are pretty simple: 1) I’m a writer, and spend most of my day sitting in front of my laptop surfing the Net doing Important Writing Tasks, and 2) I stopped exercising regularly and eating healthy. That third question’s the kicker: What can I…