Is Your Decision Irrevocable?

When you've made an irrevocable decision, you rationalize it. Once something's gone and gone forever, the mind gets to work figuring out why what it got is really better than what it lost. When a decision isn't irrevocable, when you can remake it and revisit it and change your mind anytime, what do you do? You just ruminate about it. There's a lot to be said for making commitments.