Meaning of "Sunday" by Patrick Watson

The lyrics of "Sunday" by Patrick Watson seem to convey a sense of nostalgia and longing for a past relationship or connection. The repetition of "See you on Sunday" could symbolize a desire to reconnect with someone or a specific moment in time. The mention of summers passing and lost time reflects a theme of time slipping away and the impact it has on memories and emotions. The imagery of "plant butterflies" eating away at the narrator's mind could represent intrusive or troubling thoughts that they wish to be rid of. Overall, the lyrics evoke a sense of yearning for a past love or friendship and a wish to alleviate the weight of unresolved emotions.