It's not so bad, really. I thought I'd make a mess of things too, but I've just gotten used to it. The thing I hated most was learning the computer system and how to ring everything in for the cooks. But even that I got used to.
The bonus to it all? If I want off, I just ask in advance. As for as I know, there's no limit. And seeing as I just ask off for a weekend every couple of months, I'm not abusing it, anyway.