Well there's the thinking, and the worrying, and the fretting, and the hoping and the planning, and the re-thinking, and the doubting, and the confusion, and the indecision, and the back-biting, and back-pedaling, and spinning, and the stewing, and the brewing and...
Then there's the doing. I don't recommend the doing without some of the thinking. But I'm so glad to get past the thinking cap part and getting to the doing part!