Sex problem with small penis.

Hello doctor My name  imran My date of birth 11/05/1990 I have sex problem from 2014 when my marriage got fixed , after that I I used to do more mastrubution from 2012 to till now,  So after 2014 I got some problems in penis vevens some kind of feeling and I was not getting problem erection after that I started thinking a lot about my sexual weakness then I got DEPRESSION then I became I was behaving like MENTAL ILLNESS MAN , like putting head in bathroom , not having food and water and totally scared only sleeping everytime, then my father took me to an  psychiatrists then my ,  Depression got treated , I became normal and then I hot married after marriage on my first knight I didn't able to have sex with my wife on first knight , then I became scared on next day I went to doctor and I told erection is not happening then he gave me one injection then we newly married couples enjoyed sex ,then I used to do only one time sex per day , then within 3 months we got separated ,