Just one. But it takes about 8-10 visits.
You get an unpleasant vowel movement.
None, they all know someone that does it for them.
Two. . . . . . . . . . . . . . . . . . . . . . . . . . IT JUST DOES, OKAY?
One because his knee grows.
A cairopractor.
Because seven, eight, nine.
Because 7 ate 9. Credit to a guy I work with.