Lyric discussion by indigosun 

'The crack in the window' sparks your interest in that particular person, maybe, but regardless, there is a lack of concern towards that person - even if they eventually come back, unfrozen, and alive (after you freeze them, if you do). Take cryogenics, for instance, perhaps you will freeze the person - and feel guilty towards your choices of freezing them. (freezing - cryogenics - being a metaphor for stopping them dead in their tracks and causing them pain - but the guilt manifesting afterwards as a way to NOT be apologetic, so you don't die as well)

Or maybe it's literal indifference. You don't actually want to 'freeze' them and their memories- but if you hate them enough, you will want to see their heart stop (and if they 'come back lucky', they are a miracle). Indifference, guilt, hatred or distraught could all, in theory, make it seem as if they are 'frozen' from you by you holding up a psychological shield, without actually doing so. There is a difference between holding up a psychological shield and shattering somebody's memories for protection... etc.

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