My wife and I are watching Who Wants To Be A Millionaire while we were in bed. I turned to her and said, 'Do you want to have sex?'
'No,' she answered.
I then said, 'Is that your final answer?'
She didn't even look at me this time, simply saying 'Yes.'
So I said, 'Then I'd like to phone a friend.'

And that's when the fight started...