Humor

Definitions: (1) having the power to speak or write in a funny or comical style; (2) exciting laughter; jocular; amusing; droll; risible; (3) fanciful; playful; (4) to adapt to changing conditions <humoring the stone to keep the cathedral level and plumb>

Quote: Imagination was given to man to compensate him for what he is not; a sense of humor to console him for what he is. — Sir Francis Bacon (1561-1624) English Philosopher

Observation: A sense of humor is just as important as the other five physical senses.