This phrase is often used to express the idea that no matter how hard you try, you cannot force someone to change their behavior or beliefs. It is a reminder that people are in control of their own lives and that it is not possible to control how someone else acts or thinks. This phrase
From Wikipedia
"Can't Change Me" is the first single released from Chris Cornell's debut solo album, Euphoria Morning (1999). The song peaked at No. 5 on Billboard's Mainstream Rock Tracks chart, and at No. 7 on the Modern Rock Tracks chart. A music video was produced for the song. "Can't Change Me" was nominated for Best Male Rock Vocal Performance at the 2000 Grammy Awards.