"BYE BYE BYE" by WEi is a song about letting go of the past and moving on to a brighter future. The lyrics talk about getting rid of old habits and worries, and embracing a fresh start. The song encourages listeners to stop dwelling on regrets and to focus on living life on their own terms. The chorus expresses the sentiment of saying goodbye to things that no longer serve a purpose and taking control of one's own destiny. The verses highlight the importance of self-discovery and growth, and how it's okay to let go of things that no longer make you happy. Overall, "BYE BYE BYE" is a catchy and empowering anthem that encourages listeners to break free from limitations, embrace change, and be true to themselves. It's a message of self-empowerment and moving forward with confidence.