weakness of nervous & heart

I am zaka, 40 years old. 3 years ago, I get married with an old lady age 60. In the start i was quite fit, and have a great stamina but now i am too much worried cause a great weakness started. Before 3 months, I am suffering from EDF (Erectile dysfunction). Many treatment done, but all failed. Please Help me, I have come to know that in homeopathic every thing in possible. my problems are,
1. Too much weakness, back ache
a. always mood off
b. Irritation
c. confused
d. cant take decisions
2. get tired very soon
3. when I start sex, heart beat rate increase rapidly
4. after ejaculation, feels that a large number needles stings in my both hips, also get headache, like explosion in brain
5. Many people said that my life partner is too old, therefore i suffered in these problems. Here, i want to describe, that she is in menopause syndrome

Please advise me in this regard, i am too much confused and depressed.
[Edited by Peer G on 2017-08-10 11:26:07]