The trooper asks: 'What are you doing?'
The young man says: 'Well, Officer, I'm reading a magazine.'
Pointing towards the young woman in the back seat the trooper says: 'And her, what is she doing?' The young man shrugs: 'Sir, I believe she's filing her fingernails.' Now, the trooper is totally confused. A young couple, alone, in a car, at night in a lover's lane... And nothing obscene is happening!
The young man says: 'I'm 22, sir.'
The trooper asks: 'And her.... what's her age?'
The young man looks at his watch and replies: 'She'll be 18 in 11 minutes...'