Lyric discussion by montresor 

Exactly. As long as your unable to see and treat the other person as a human being and merely objective them, there will be no real love, and as time passes the self-centeredness can only lead to bitterness, hating the things they once picked out together that "would make them happy" instead of figuring out how to make each other happy. By hating those things hides a metaphor of contempt and disappointment with each other.

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