"A cowboy's work is never done."
This is actually my father's saddle, his great-grandfather's.
Napping was a hobby of great-grandpa's too!
Photography is one of those professions that is affected by opinion. Not everyone will love your photos. Not everyone will want to purchase photos. Clients will almost never pick the same photos you did as favorites! That's OK!
This is a profession that is driven (hopefully) by your love of the craft. Monetary gain is welcome (and obviously necessary), but becomes risky if that is what drives your "passion" for the finished product. Burn out would probably also be right around the corner.
Photographers and other artists beat themselves up way too often. We can "see" the mistake or "problem" with a photograph or art work that others wouldn't have even noticed. I had one of those "Mama told me there'd be days like this..." weeks. No need for details, but suffice it to say that even when we are trying to be the best we can be, both as a photographer and as a person, things can get dicey.
So...to my fellow photographers out there, I'm patting You on the back today. Take a deep breath. Look at some photos you love. Get your hearts singing again. If you've had a Hard Day in the Saddle too, grab your camera and go outside. Shoot just for the pure enjoyment of it. You really do touch people's lives every day. You really do!