Strong leaders are interruptible even when
they're heads down doing something urgent or important.
Being interruptible [with a smile] does two
things to strengthen your leadership position. First, it shows the other
person how important they are to you. Second, it proves to others how competent
you are because you can gracefully return to what you were originally doing and
complete it as if you were never interrupted. A side benefit is that by getting
away from your task or project enables you to return to it with fresh
ideas.