Difference between Hypothetical and actual

So a young boy comes home from school and says, “dad, my teacher said my homework for the night is to find out the difference between hypothetical and actual.”

His dad says, ” well son, go ask your mother if she’d sleep with her boss for a million dollars. Then, go ask your sister if she’d sleep with her principal for a million dollars and come back, tell me what they said. “

So the young boy goes and asks both his mom and sister, comes back. “dad, they both said yes.” “Well son, that’s your answer.”

“But I don’t get it”, the boy says.

“Ya see, HYPOTHETICALLY we could be millionaires but, we’re ACTUALLY living with a couple of whores.”