The teacher asked the children in her class, what they want to be when they grow up.
"I want to be an actress," Susie says.
"Good girl, Susie."
"I want to be an astronaut," Cliff says.
"Good boy, Cliff."
"And I want to be a sex therapist," Little Johnny yells out.
"Would you please tell the class how you think your job is going to be like?"
"Okay, Miss. Look out of the window. Three women are walking down the street, eating ice cream. One is licking, one is sucking, and one is biting. Would you please tell the class which one is married?"
"Get out of the class, Johnny, and come back with your parents!"
Johnny returns and is asked to explain what he has just said, to which he replies...
"The one that is married, is the one that has a wedding ring and it is people like you, Miss, that I am going to treat."