When the father blew, the peanut flew out.
The mother and daughter jumped and yelled for joy.
The young man insisted that it was nothing and the daughter brought the young man out to the kitchen for something to eat.
Once he was gone the mother turned to the father.
The mother said,
“That’s wonderful. Isn’t he smart? What do you think he’s going to be when he grows older?!”
The father replies
“From the smell of his fingers, our son-in-law!”