A cop was patrolling late one night just before midnight in a well-known parking spot. He sees a couple in a car, with the interior light brightly glowing. The cop carefully approaches the car to get a closer look.
As he gets closer, he sees a young man behind the wheel, reading a computer magazine. He immediately notices a pretty young woman in the rear seat, filing her fingernails. Puzzled by this surprising situation, the cop walks to the car and gently raps on the driver's window.
The young man lowers his window, "Uh, yes, Officer?"
The cop says: "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 cop says, "And her, what is she doing?"
The young man shrugs: "Sir, I believe she's filing her fingernails."
Now, the cop is totally confused. A young couple, alone, in a car, at night on a lover's lane ... and nothing freaky is happening!
The cop asks, "How old are you, young man?"
The young man says, "I'm 22, sir."
The cop asks: "And her ... how old is she?"
The young man looks at his watch and replies: "She'll be 18 in 11 minutes."