I'm sad all the time and a big loss of appetite and thoughts of self-harm :(

I'm sorry to hear that you are feeling this way. It's important to understand that these feelings are not uncommon, and it's important to reach out for help and support. Please consider speaking to a trusted friend or loved one, a mental health professional, or a helpline for guidance and support. You are not alone, and there are resources available to help you through this difficult time. Your feelings are valid, and it's important to take care of yourself and seek help when needed.