Insightful and applicable blog post by Eric Barker. Here is the summary if you need encouragement to read further:

Here’s how to make good decisions:

• You don’t need more info, you need the right info: Clarify the problem and get relevant data, not all the data.
• Feelings are not the enemy: For simple choices, use raw brainpower. For complex choices, trust intuition.
• If you’re an expert in the area, trust your gut: Not sure if you’re an expert? Keep a decision diary.
• “Good enough is almost always good enough”: Trying to be perfect makes your brain miserable.