Lyric discussion by ShadowMistress 

Cover art for Happiness Is Overrated lyrics by Airborne Toxic Event, The

I think the singer is in an on again-off again relationship where the girl can't seem to make up her mind on whether she wants to be with him or not. So he's lost in his feelings and confusion, he doesn't know if he wants to be with her still or just be alone. He can't quite stop thinking about all the things she's told him over the course of their being together and its making him crazy.

My Interpretation