It's pretty incredible how often you hear managers complaining about their best employees leaving, and they really do have something to complain about — few things are as costly and disruptive as good people walking out the door.
Managers tend to blame their turnover problems on everything under the sun, while ignoring the crux of the matter: people don't leave jobs; they leave managers.
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The sad thing is that this can easily be avoided. All that's required is a new perspective and some extra effort on the manager's part.