(Opinion) This incredible song vents the frustration of handling an immature, narcisisstic friend/relative with firm boundaries, accountabilty, and hope for growth. 'One more place at the table' implies the speaker's unconditional tough love and provision for that person without the coddling, enabling, and 'sympathy' that would otherwise prevent that person from learning to be a better human being.
(Opinion) This incredible song vents the frustration of handling an immature, narcisisstic friend/relative with firm boundaries, accountabilty, and hope for growth. 'One more place at the table' implies the speaker's unconditional tough love and provision for that person without the coddling, enabling, and 'sympathy' that would otherwise prevent that person from learning to be a better human being.