The difference between hypothetical and reality?

little johnny came from school one day and asked his dad for help with his class assignment.his dad ask him what the assignment was and he said" i need to know the difference between hypothetical and reality".so his dad said go up stairs and ask your mother and sister if they would sleep with a total stranger for a million dollars. so little johnny went up stairs and asked his mother and sister and came back down stairs. his dad said "what did they say" little said "they said yes". little johnny's dad said 'hypothetically we could be sitting on a couple of million dollars , but in reality we live with two wh****"s