Fitness is a curve. You can be Lance Armstrong, or you can be really out of shape at the opposite end. People enter the curve wherever they are and then they can move up the curve, by better nutrition and better exercise. ↗
For instance, we're always fighting amongst each other. Who gives us the arms? And then we become indebted to wherever we are buying them from - with what? The very resources we need to keep there. ↗
I bring a poofy gray down jacket with me wherever I go. It's meant for winter, but I use it most in the summer, when everyone cranks up the air-conditioning. ↗