You've got to make an effort on your own. Some people don't even try.
I went to Q-school knowing that I could play well and get through.
I know the other side. I know what awful golf is.
When I'm swinging well, nobody hits the golf ball any better than I do.
Confidence comes from hard work. It comes from facing different situations and making putts. It comes from knowing you've worked on the right things, so when you get under the gun, you can execute what you've practiced.
Confidence is such a fragile and precious thing.