Hello Friend, Good that you are seeking a help. Any emotional or physical Imbalance will affect each others. That's what is reflecting in your scenario.. You imbalanced mind is causing you tiredness, body pain, headache and sometimes constipation, palpitations etc So better to understand the root cause first and start following a treatment plan. You may need a professional counselling support to figure out the reason and suitable solutions

U have to undergo a detailed evaluation to come to a diagnosis . What you are describing looks like somatic symptoms of depression , but a detailed evaluation before we come to a conclusion .