There's a tiny kernel of truth - over-commit to others, and you will have a much easier time of following through than if you set goals merely for yourself. So

There's a tiny kernel of truth - over-commit to others, and you will have a much easier time of following through than if you set goals merely for yourself. So sign up for things other people expect you to do, and you'll be in better shape than if you just make vague goals for yourself.