hi i had gone through your query and understand your concerns. i would come up with the possibility of ERECTILE DYSFUNCTION
may be the cause for your sufferings.
drugs may produce this condition
i advise you taking Homeopathic
medicines gives safe and permanent cure for your complaints of depression
-it is advisable to stop taking anti depressant drugs for complete cure.
consult your local homeopathic physician for correct diagnosis of the case and remedy to fit your complaints
I hope this is helpful for you, thank you