For life reasons, you have no family and no close friends, and so much stuff is in your head and you need to just talk , who can you go to . ?

An anxious mind: Psychologists, psychiatrists, generalists and internists are all available to you to explore your problem. Your time of life might be a contributing factor. Approach it openly and you may find some relief.

Priest, therapist: your clergy can give you counsel as well as a good therapist. .Many support groups are to be found possibly through the church.