Because 69 is a bit of a mouthful.
Fur traders.
5 1 to hold the bulb and 4 to spin the ladder.
Because every time they get to 69, Miss Piggy gets a frog in her throat.
Girl - Give me 1 good reason, why I should date you? Guy - I'll give you 69.
Because he likes to Count.
Because 68 69 70.
Because when she gets to 69 she has a Frog in her throat.
Because his career is in bits.
A bit of a shock really!