Hi there mate! Welcome to Psych Central. Your English is fine. Sorry to hear you are feeling down and alone. There are many nice, compassionate people here at Psych Central. No need to be hard on yourself. We are all working on ourselves and trying to avoid the guilt and self condemnation trap. It isn't easy.
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I am kind of alone too but I do try to get exercise. I also do yoga and other gentle stretching exercises and meditation to help me get started with my day. Sometimes having this routine is what gets me started.