I'm not a doctor, but I would assume that anything that you're doing that's harming you, and you can't stop doing it, is a sign of mental illness.
This quote touches on the complex nature of self-destructive behaviors and their connection to mental health. It suggests that persistent harm caused by one's own actions, especially when uncontrollable, might indicate an underlying mental health issue. Recognizing these patterns can be crucial for seeking help and understanding oneself better. While it's a simplified view, it underscores the importance of self-awareness and the impact that mental states have on behavior. The quote invites reflection on the importance of mental health support and the difficulties individuals face when their actions betray their intentions to improve.