Dear Welcome to HCM We understand your concerns I went through your details. I suggest you not to worry much. Low hemoglobin level does create tiredness. But you must be having medicines to treat that condition. Over and above, you must also alter your diet to overcome the problem. The reason could be anxiety arised out of your worry about the hemoglobin problem. One or two counseling sessions and learning to think alternatively should help you overcome that problem. I mean , the erectile dysfunction should be due to psychological reasons. You can post a direct question to me in this website. Include every detail as much as you can. I shall prescribe some psychotherapy techniques to control your condition. I am sure that the techniques should be a success. Hope this answers your query. Available for further clarifications. Good luck.