People pass into (and out of) our lives constantly, like the ceaseless ebb of the restless tides. Some people almost seem to "flit" past; we see them, become acquaintances, converse, then they are gone. They are like shadows to you. In the night of the duration of your relationships with these people, a light emitted by the word "acquaintance" casts the shadow. You know there is a real person there, possessor of the shado...