Lyric discussion by paul_banks 

yes i agree that this is more about success in life/work than suicide or anything else mentioned before. the lines "of course i miss you and i miss you bad/but i also felt this way when i was with you" maybe points to the fact that the person who the song about was never around during the relationship that much because of work commitments, and maybe that was one of the big factors that caused the relationship to fail...they picked their work/success over the one who loved them.

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