The song "I'm Sorry" by ItsUnknownMF is about someone who realizes they have consistently let their partner down and hurt them by being absent and prioritizing other things over their relationship. The lyrics express regret and apology for not being there for their partner when they needed them the most. The person acknowledges their mistakes and expresses sorrow for causing their partner pain. However, despite repeatedly saying sorry, the partner has reached a breaking point and is no longer willing to forgive or continue the relationship. The song captures the feeling of remorse and the realization that the damage done may be irreparable. It reflects the consequences of neglecting a relationship and the difficulty of making amends once trust is broken.