One who is suicidal actually is deeply attached to the body. Why does one want to kill oneself? Because there is something terribly wrong in my life. Destroying your own body in the hope that it will end you literally means you think you are just the body and nothing else. You aren't, not at all, not one bit.
In this series of talks, Swami Sarvapriyananda unfolds the highest truths of Vedanta through the study of the Bhagavad Gita (The Song of God).