The song "Castles" by KILL REAL BEATS is about a deep and passionate love between two people who feel like they are the only ones in the world when they are together. The lyrics talk about the feeling of being lost and wanting to escape, but finding comfort and lightness when they are with their loved one. The song portrays a sense of gratitude for finding each other and the healing power of love. In more colloquial terms, the song is about being head over heels in love and feeling like nothing else matters when you're with that special someone. It speaks to the feeling of finding solace and peace in the presence of your partner, even in the midst of chaos and uncertainty. The lyrics express appreciation for the love and support of the person who is always there for you.