A couple of years ago I worked at a warehouse for a chain of grocery stores. All the stuff that the stores sold was delivered from us basically. Anyway, after working there for 2 years (and being 23 at the time) I was put in charge of the "spot" department. This was the department that handled all of the stuff that was being sold temporarily in the stores. The department was a bit trickier than the others as the wares never were the same and the one in charge had to receive everything, make sure that the numbers were correct, put it all into the system and prepare everything for the next week.
I was afraid of taking the job, but since the other option sucked I decided to take it. This department had always been full of troubles since the ones that had handled it earlier couldn't handle all that stuff at once. I struggled at first, but after a month I had nailed it. It was running as smooth as it possibly could, and I'm damn proud of that.
I will admit, it wasn't perfect. The people packing the goods always made fun of me, saying that I never did anything. I don't know if they were joking, but I was honestly busting my ass trying to do all the stuff I had to do and also find time to help them. I had NEVER worked that hard before, and I had practically been working for two at another department a few months earlier. After a couple of months I was tired of it and simply stopped helping them. They came to me a bunch of times saying that they needed help and I would claim that I was too busy. I'll admit, it was petty of me, but on the other hand they always finished on time, so they didn't need my help that bad.
Even so, it was running better than it ever had. And that was because of me.