Summary: Do things that at which you can excel while giving your best effort. If you can excel with a second rate effort, switch fields. If you cannot excel with your best effort, switch fields.<p>I love the &quot;I play pretty good guitar but Eric Clapton made me look like I had honey stuck on my fingers&quot; bit. Professionally, I am security consultant and do pretty well at, but my love is acting. I&#x27;m pretty good, but I can see and hear the difference between me and the Claptons, if you will, of the acting world. So I stay where the money is, in IS.