mom, dad and a little boy on a leisurely drive saw a male dog and a female dog going at it. the little boy, a little bit curious, asks the mom "what are the dogs doing mom?" the mom quickly answers :"they're making a puppy".
at home late at night, the little boy enters the room where mom and dad were having missionary position ***, the little boy curious as ever asks:"mom, dad what are you doing?"
dad answers,"we're making your little brother".
the boy tells dad "dad, turn mommy around, i want a puppy"