Because 69 is a bit of a mouthful.
Because they can spell it.
They always forget the "11" in "9-1-1".
Because when she got to 69, there was a frog in her throat.
Because at 69 they blow a rod.
He was caught counting carbs.
Because when she gets to 69 she has a Frog in her throat.
General
Two bits!
If you ever get cold, stand in a corner for a bit. They are usually 90 degrees.