Boy goes to his dad and says "Dad can you explain the difference between theoretically and realistically."
Dad says "Hmmm that's a hard one, I tell you what go to your Mum and ask if she would sleep with the milkman for a million pounds."
The boy wanders off then comes back and says "Mum said she would dad."
Dad says "OK, now go to your sister and ask her if she would sleep with the window cleaner for two million pounds."
The boy comes back and says, "Yeah she says she would Dad."
Dad looks at his son and says "Well son there you have it; theoretically were sitting on three million quid, realistically were living with two slappers."
