"I haven't taken a sick day in 5 years," says Joe, every time someone else takes a day off. "Judy is such a hard worker- she hasn't taken a day off in the 10 years I've worked here."We all know the Joe's and Judy's of the world. Heck, maybe some of us fall into these very same patterns. And if we don't, maybe we're right there applauding them for their "work ethic", their "perseverance", their "dedication to the job". Guilty? Me too.What's more, when we end up taking our necessary s...