Scripts are written, but none of them are your own ideas, and they're always changing without notice. They're completely stubborn and unmanageable, and you can't even do anything with them, because if you don't follow them to the letter, they crumple up, implode, or spontaneously combust in a hissy-fit.
I wish I for cash to appear in my pocket to match my bill, when I pay for meals. I.E. large bills and exact change all in legal tender to whatever area I happen to be in, and in the case of restaurant dining? a 20% tip for the wait staff.