is self-killing a sin?

Dear User, I understand that this question may be causing you great distress and I want you to know that I am here to support you. From a Buddhist perspective, taking one's own life is seen as a violation of the First Precept, which is to abstain from taking life. This is because all life is considered precious and should be protected. However, Buddhism also teaches compassion and understanding for those who are suffering from mental illness or extreme emotional pain, and recognizes that these factors may contribute to suicidal thoughts and actions. From a psychological perspective, suicide is often seen as a result of untreated mental health issues such as depression, anxiety, or trauma. These conditions can cause intense emotional pain and feelings of hopelessness and despair, leading to thoughts of suicide. It is important to seek professional help if you or someone you know is experiencing suicidal thoughts or feelings. In terms of your question about sin, it is important to understand that different religions and belief systems have varying views on suicide and sin. However, regardless of one's beliefs, it is important to prioritize mental health and seek help if suicide is being considered. My coaching advice for you would be to prioritize your mental health and seek professional help if you are experiencing suicidal thoughts or feelings. This can include speaking with a trusted therapist or counselor, contacting a suicide prevention hotline, or seeking medical treatment if necessary. Remember that you are not alone and support is available to you.