Flexibility begets flexibility—treat workers with the understanding, trust, and respect they deserve and get the same in return. Particularly in a line of work where being a few minutes late means nothing, but the worker's willingness to stay late or work unexpected hours means everything, you'd do well to accept that them walking in the door a few minutes late isn't that big of a deal. That is unless you, their new supervisor, have a bone to pick with them over the fact that their self-determi…