Yes. It's much easier to diet that way. And it all goes on the top shelf where everyone KNOWS they better not touch it.


Only when told that I could, or I knew the person was fired/quit (happens a lot).


I'd only open something if the above criteria fit.


Kill them. And they know it. That said, I'm probably usually safe, given that it's typically broccoli and hummus and that type of combo.
Occasionally, the boss will graze. That doesn't (usually) bother me, because he will give me money if he's taken anything.