I learned yesterday morning that one of my closest childhood friends died of a heart attack in his sleep overnight. He had just turned 30 a couple of weeks ago. I met him in Kindergarten and reconnected with him six or so years later when, as fate would have it, my sister and his brother began dating. During our middle school years, we did everything from play sports and video games to go on vacations together. We stayed pretty close through my sophomore year of high school. He then joined the football team, after which we went our separate ways. The last time I remember spending time together was the day of my high school graduation. (He failed the 1st grade and went on to graduate a year after me.) I hardly spoke to him during and after college, but we later began keeping in touch via Facebook. He moved back to Florida after living in California, where his girlfriend and three kids live, for a few years. In recent weeks, he had told me how happy he was that my wife and I bo...