The song "Sweet Machine" by Horse Head explores themes of love, loss, and the painful process of moving on. The lyrics describe a past relationship that once felt like love, but eventually turned sour. The narrator initially believed their love was like a beautiful song, but their partner expressed that it felt wrong. The realization of the relationship's toxicity caused the narrator to feel immense pain, as if they were already in hell. Despite the belief that time heals all wounds, the narrator struggles with moving on, finding that life continues for them relentlessly. The chorus mentions the importance of cherishing memories, as the person singing believes they will be remembered like a cold wind that accompanies the month of December. The mention of symmetry suggests that the two bodies once fit perfectly together and were seemingly meant for each other. The repeated phrase "Sweet Machine" refers to the partner's body, emphasizing their attractiveness. However, the lyrics also acknowledge the artificiality of their love, describing it as a product manufactured in a factory. Overall, "Sweet Machine" tells a story of a failed and toxic relationship, highlighting the pain of holding onto memories while also acknowledging the need to let go and move forward.