A man and his son...

Were sitting on his front porch when the man said, " son, what is the difference between idealism and reality?"
The boy thought for a moment and replied, "I don't know dad, what is it?"
The man then said, "alright son go in side and ask your mom, brother, and sister if they would sleep with Brad Pitt for $1,000,000."
The son said okay and went into the house. The first person he saw was his mom. "Mom" said the boy. "Would you sleep with Brad Pitt for $1,000,000?"
To this the mom replied " Well son, I love your father and all but $1,000,000 is a lot of money so yes, I would."
Next the boy found his sister who said after being asked this question."of course I would sleep with Brad Pitt! I mean c'mon! Plus I would be getting $1,000,000!"
The boy then went to his brother who upon being asked this question responded. "We'll I like girls and all but $1,000,000 is $1,000,000 so yeah I would."
After retrieving all this information the boy went back to his father on the porch and told him what he found out. The boy then asked what was the difference.
The father looked at the boy and said. "Son, ideally we would be sitting on $3,000,000 but in reality we're living with two whores and a faggot."