Difference between potentially and realistically

A young boy went up to his father and asked him,

"Dad, what is the Difference between 'potentially' and 'realistically'?

The father thought For a moment, then answered,

"Go ask your mother if she would sleep with Brad Pitt for a million dollars. Then ask your sister if she would sleep With Brad Pitt for a million dollars, and then, ask your brother if he'd Sleep with Brad Pitt for a million dollars.

Come back and tell me what you learn from that."

So the boy went to his Mother and asked, "Would you sleep with Brad Pitt for a million Dollars?" The mother replied, "Of course I would! We could really use That money to fix up the house and send you kids to a great University!"

The boy then went to his sister and asked, "Would you sleep with Brad Pitt for a million dollars?" The girl replied, "Oh my God! I LOVE Brad Pitt! I would sleep with him in a heartbeat, are you nuts?!"

The boy then went to his brother and asked, "Would you sleep with Brad Pitt for a million dollars?" "Of course," the brother replied. "Do you know how much a million bucks would buy?"

The boy pondered the answers for a few days and then went back to his Dad.

His father asked him, "Did you find out the difference between Potentially and realistically?"

The boy replied, "Yes.

Potentially, you and I are sitting on three Million dollars, but realistically, we're living with two hookers and a Homo.