I remember one of my university teachers explaining how silence is a form of communication. A powerful one, I might add, but so easily misunderstood. People insist on thinking - rather, in believing - that someone's long spells of silence mean that one doesn't care about them anymore. Sometimes it does, sometimes it doesn't; when it comes to me, it usually doesn't, although I've intentionally gone mute with some people. I still like them for the most part, and I wish them the best, but truth be told, I wouldn't have anything to say to them, and I prefer to save the weather topic to the random encounters I cannot avoid. Going missing in action makes perfect sense. If there's no "action" to be had, nothing will be missed anyway.