Some people stay with you. The girl in my fourth grade class who carried a purse, wore high heels and an occasional swipe of lip gloss. The skater boy with the hair in his eyes who in 7th grade made me snort with laughter all the way through my first public speaking assignment. People I never saw again, but who became part of my childhood nostalgia. Likewise, as an adult, when all things start to lean toward permanence there have been people who I thought would be fixtures but who turned out...