The lyrics of Grape Milk's song "Grown-up" seem to capture the feeling of uncertainty and apprehension that comes with growing older and facing the unknown. The singer expresses a sense of fear and anxiety about the future, but also a longing for something new and different. The mention of celebrating their birthday alone and running away from a place called KC suggests a desire to escape and start fresh. The chorus reflects on the idea of new experiences and moments of realization that come with maturity. The image of standing behind a kerosene heater symbolizes warmth and contemplation, where one's thoughts and dreams can come to fruition. The repetition of wondering if we'll ever know what we're doing highlights the universal feeling of confusion and doubt that often accompanies the process of growing up. Overall, the song captures the mix of emotions that come with adulthood, from the fear of the unknown to the hope for something better. It speaks to the universal experience of grappling with life's uncertainties and seeking meaning in the midst of it all.