I have found that generally the longer I delay a decision, without abandoning it, the better I understand it, and that lets me make better decisions. Snap decisions are highly unreliable. I have made some awfully scary snap decisions. I don't want to do stupid things like that again.
Keep a journal.<p>1. Make a judgement<p>2. Write that judgement down <i>and</i> the activities guiding the judgement. Say what you thought would happen and why. Include the context, a clear problem statement,
alternatives and possible outcomes, consequences, and expected outcome.<p>3. Review the entry when the outcome of the judgement is clear. Note any discrepancies between the judgements and the outcomes.<p>4. Every six months or so, review the entire journal.