Discretion

The kindly and inquisitive old gentleman was interested in the messenger boy who sat on the steps of a house, and toyed delicately with a sandwich taken from its wrapper. With the top piece of bread carefully removed, the boy picked out and ate a few small pieces of the chicken. The puzzled observer questioned the lad:

"Now, sonny, why don't you eat your sandwich right down, instead of fussing with it like that?"

The answer was explicit: