" If ever I was going to listen to a string of swearwords sitting next to a ninety-four-year-old, I'm glad that ninety-four-year-old was my grandfather. Not that he swears a lot. It's just that he can take it. And, he is currently laughing so hard that his eyes are watery. "

― A.J. Jacobs , Drop Dead Healthy: One Man's Humble Quest for Bodily Perfection