The quote reflects the inner turmoil and obsessive thoughts the speaker experiences when dealing with regret or anxiety about past actions. Despite their relentless mental rehearsals, no amount of overthinking brings relief or resolution. Instead, these thoughts become a source of emotional poison that undermines their well-being.
This captures a universal struggle with self-doubt and the desire for perfection in our narratives, showcasing how internal dialogue can spiral into a negative cycle. Ultimately, it emphasizes that sometimes, the act of ruminating can be more damaging than the original issues we seek to address.