Johnny: “Seven.”Teacher: “No, listen carefully… If I gave you two cats, and another two cats and another two, how many would you have?”Johnny: “Seven.”Teacher:

“Let me put it to you differently. If I gave you two apples, and another two apples and another two, how many would you have?”Johnny: “Six.”Teacher: “Good. Now if I gave you two cats, and another two cats and another two, how many would you have?”Johnny: “Seven!”Teacher: “Johnny, where in the heck do you get seven from?!”Johnny: “Because I’ve already got a freaking cat!”