Sometimes, he has this nagging suspicion that his mouth has its own mind. This organ spews outrageous statements that cause him moments - far too many moments - of mortification.
It's like a cat that decides when to eat, sleep and poop, with nary a regard for its owner. Like most people, he must learn to tame this fickle creature.
To say the right thing at the right moment isn't easy. To leave unsaid the wrong thing at the tempting moment, now, this is a challenge.