A young boy walks into a whorehouse dragging a crushed frog on a string. He
goes up to the madam and says, "I'd like to have the service of one of your 
young ladies, but she's gotta have herpes."

The madam, taken aback by the boy, asks him, "Little boy, why on earth would 
you want to ruin your life at such an early age?"

The boy says, "I don't want to explain. Either you help me out or I'll go 
somewhere that will!"

The madam figures his money is better spent here than somewhere else, and takes
him into the back to meet his lady.

About an hour later the boy, still dragging the frog, tries to pay for his 
time.

"Keep your money," said the Madam, "but I've just got to know why a boy your 
age wants herpes so badly. Won't you please tell me?"

The boy takes a deep breath and sighs, "Ma'am, you see this frog? When I go 
home tonight, mom and dad are going out, and the babysitter will come over. And
the babysitter will get herpes. Then mom and dad will come home, dad will take
the babysitter home, and dad will get herpes. When mom and dad go to bed
tonight, mom will get herpes. Tomorrow, I'll go to school, dad will go to work,
and the milkman will get herpes. And the milkman," the boy sobbed, "the milkman
is the son of a bitch who ran over my frog!"