If you haven’t heard of Tim Ferriss you need to. He has interviewed everyone, in all areas of life and on all topics. He has some fantastic books out (see below for three) that contain thousands of useful tidbits.
I put this link on my bookmarks bar, so I will see it and contemplate it regularly. The 17 questions are far, far too much to digest in one reading; in fact even thinking through a single question in a way that adds value to your life will take more than one go. So bookmark it yourself, scan through the questions, and pick one or two to focus on for now, knowing that you will return later to address the rest.