A boy of 13 walks into the store. He's small and doesn't look very strong. He looks around and sees a man on the counter.
"Hello," said the man, "want something?"
The boy looked at the two things on the counter. One was labeled FOR MUSCLE, the other FOR WEIGHT. "Is this all you have?" the boy asked.
"yes...only 25 cents."
"That's cheap." he said. "All right, i'll buy..."