I like this guy, he really seems like he knows what he’s talking about. I doubt he does know what he’s talking about. Few people do. But if you’re going to be wrong, be wrong at the top of your voice. Having confidence is like having good manners. If you don’t have good manners, pretend that you do. It ends up being the same thing. Fake confidence works about the same as real confidence, too.
In any case, his message rings true: nivagivup! It’s important to remember that no matter how bad things seem, they could always be worse. You could, for instance, be waist deep in frigid water yelling encouragement to no one in particular.