Because 69 is a bit of a mouthful.
Two brunettes and a red-head.
Just 1...blondes will screw anything.
Because you get eight more!
70 because after 69 your mouth's full.
1, 2, 3, 95, 98, ME, NT, 2000, XP, Vista, 7, 8, 10.
She quits counting.
Because every time she reaches 69 she gets a frog in her throat.
A bit of a Downey
Because he said he only loved her this much (hold out t-rex like arms) Sorry this one requires a bit of a visual, but I thought you guys might like it