hello Dr, i m 27 year unmarried guy from last 2 years i m feeling dizzyness, headache ,general weakness after nightfall or masturbation and also my memory power has so much reduced.i m also feeling lack of interest in work, i m not able to concentrate in anything. i took so many medecenes like b_complex, methylcobalamin , revital cap i ve improved but after 2_3 months i m again feeling the same problem every time whenever i stopped the medicene.so please tell me what medicene and foods should i take.