People love to admit they have bad handwriting or that they can't do math. And they will readily admit to being awkward: 'I'm such a klutz!' But they will never admit to having a poor sense of humor or being a bad driver.
George Carlin (2015). “3 x Carlin: An Orgy of George including Brain Droppings, Napalm and Silly Putty, and When Will Jesus Bring the Pork Chops?”, p.191, Hachette UK