When their time is up.
Doctor: 10 Guy: 10 what! 10 days, 10 months, 10 years Doctor: 9...8...7...6...5...
"We are not prepared to comment on specific numbers at this time."
They always forget the "11" in "9-1-1".
Every time he touched a "wound" it closed.
A waist of time
Three, one to hold the giraffe, and one to put the clocks in the bath tub.