Ah, the hell with it, let him stay, maybe he'll get the hang of it sooner or later and turn out to be okay.
It takes all kinds to make a world, ya know. He don't need to be euthanized.
Not yet, anyways.
"There is no royal road to this heavy surf-fishing. With all the appliances for comfort experience can suggest, there is a certain amount of hard work to be done and exposure to be bourne as a part of the price of success." From "Striped Bass," Scribner's Magazine, 1881.