Meaning of "Dear Dad" by The Plot In You

The lyrics of "Dear Dad" by The Plot In You seem to convey a sense of acceptance and introspection regarding the past. The speaker seems to be in a reflective state, acknowledging that the past has shaped them and cannot be altered. Despite the baggage they carry, both physically and emotionally, they seem to be at peace with the realization that the past is a part of who they are. The mention of a picture to remember the past may indicate a bittersweet sentiment of holding onto memories, both good and bad, as a way to understand and come to terms with their own journey. The repetition of "I can't change" emphasizes the acceptance of the past and the inability to alter what has already happened, suggesting a sense of resignation but also closure.