Make the decision, and move on it.
Where we go wrong is when we don’t make the decision, when we don’t make a move. In that case we have nothing to work from.
Make the decision using the best information available to you. If your decision turns out to be the wrong one, don’t worry. You were working on the best information you had at the time. Uketamo this, and move on with your knowledge now improved. If the decision turns out to be the right one, then Uketamo this too.
Make the decision, and move on it. There’s no other way to get things done.