Meaning of "5" by Ultraspank

The lyrics of "5" by Ultraspank express the struggles of someone who is dealing with heartbreak and the inability to move on from a past relationship. The repeated mention of feeling sick and coming apart suggests the physical and emotional toll that heartbreak can take on a person. The constant reference to retracting and lying to protect themselves could indicate a defensive mechanism put up by the individual to shield themselves from further pain and vulnerability. Despite efforts to forget and move on, the person finds themselves unable to escape the memories and feelings associated with the past relationship. The lyrics convey a sense of resignation and acceptance of the fact that they may never fully be able to let go of the person they are desperately trying to forget.