Seven.
You don't - they're born that way.
So people don't confuse them for feminists.
Two. One to screw it in and one to take credit for it.
OC It only takes 1. But another 999 to repost this 100% original joke. I made this.
Happ-e Sleep-e Grump-e Dope-e and Sneez-e.
A: "Seven-and-a-half inches... same as now"