I'm also fearful of death because of past things i've talked about and my left arm feeling weak as well. the tingling and pain in my left arm / chest.

Major Depression: You are a Precious Human Being! I understand your fear of death. “left arm feeling weak, tingling and pain in left arm / chest.” Is likely due to Stress causing Anxiety which at times becomes overwhelming. Let Wise Man within you Reflect: •Lack of severe pain in chest or shortness of breath •Feeling guilt due to” past things I've talked about” •Need to see Psychiatrist for Therapy, Medication