A man took his 6 year old son with him to buy a horse
for there farm.
He walked up and down the row of horses and rubbed there
neck, rump and legs.
The boy asked him, "Dad why do you rub all the horses"?
"Well son", replied the dad. "To see if I want to buy them"
The boy replyed "Dad, I thank the USP guy wants to buy mom".