None: Taureans don't like to change anything.
One.
OC It only takes 1. But another 999 to repost this 100% original joke. I made this.
Reuse.
Because they never have any sandwiches.
Two, one to change the lightbulb and another to show one they changed earlier.
One to put in the new one, and two to sing about how good the old one was.