The song "Sun On Sunday" by James Blunt tells a story about a relationship that has turned sour and the regret and desire to make things right. The lyrics describe a situation where one person, the narrator, has been self-absorbed and oblivious to their partner's pain and struggles. The first verse portrays a sense of denial and insincerity. The narrator acknowledges stealing moments that were meant for their partner, highlighting their selfishness. They express regret in the chorus, realizing their blindness to their partner's internal struggles and questioning if it is too late to fix the damage. The second verse reveals the partner's desire for the narrator to notice their unhappiness, but the narrator foolishly turns away. This is when they truly grasp the weight of their mistakes and the impact it has had on their partner. The chorus repeats the idea that without their partner's happiness, there will be no light or reason in their life. They acknowledge the deep connection they have with their partner, stating that if their partner is suffering, they are suffering too. The bridge expresses the intense love and fear of losing their partner. The narrator recognizes that any cuts or bruises inflicted on their partner metaphorically leave scars on themselves. Losing the person they love would be worse than death itself. In summary, "Sun On Sunday" is a heartfelt plea for forgiveness and a desire to make amends. James Blunt conveys the pain of realizing one's own faults and the desperation to repair a damaged relationship.