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You're right.I am of those who try to express affection to the living, so that I don't have to overcompensate when they die. I avoid going to funerals of people I was not close to, but even in those of people I was close to I always feel uncomfortable.
Life does find ways to make us get distracted, to say the least, and grow apart from friends and relatives, even in these globalized days, when it should be easier to keep in touch with those we care about.