I think about decisions in three ways: hats, haircuts, and tattoos. Most decisions are like hats. Try one and if you don’t like it, put it back and try another. The cost of a mistake is low, so move quickly and try a bunch of hats. Some decisions are like haircuts. You can fix a bad one, but it won’t be quick and you might feel foolish for a while. That said, don't be scared of a bad haircut. Trying something new is usually a risk worth taking. If it doesn't work out, by this time next year y...