A Lagos man is walking through Wuse Market, when a stranger comes up to him and offers to sell Viagra to him for 500 Naira.
"No, not worth it!"
"OK, how about 250 Naira
"No, not worth it!"
"OK, 150?"
"No, not worth it!"
"How about 100?"
"No, not worth it!"
"Listen, these pills cost US $10 each. How can you say they are not worth it?"
"Oh, the pills ARE worth it. My wife is not worth it."