Second guessing
One of the unexpected drawbacks is, when you make a decision early, you end up second guessing yourself. This comes with colours, finishes, choices of materials; in fact, pretty much everything. There's a constant sense of "what if" or "would this look better". It's a real pain in the arse. I'm sure it'll pass once we actually get the stuff moving. Well, I hope it'll pass or it'll drive me nuts.