The song "B Me" by Stray Kids talks about breaking free from a toxic relationship and finding one's individuality and strength. The lyrics describe the struggle of trying to hold onto someone who is not worth it, and the realization that letting go and being true to oneself is the best way to move forward. The song encourages self-empowerment and embracing one's own identity, despite the challenges and pain that come with it. It expresses the idea that by freeing oneself from toxic relationships, one can soar to new heights and find freedom and peace. Overall, "B Me" is a song about growth, self-discovery, and the courage to let go and be true to oneself.