Not looking up from her knitting the wife says: 'Now don't be silly, dear -- you know that this car doesn't have cruise control.'
As the officer writes out the ticket, the driver looks over at his wife and groans,
'Can't you please keep your mouth shut for once !! ?'
The wife smiles demurely and says, 'Well dear you should be thankful your radardetector went off when it did or your speed would have been higher.'