I am anurag sharma 31 years of age, from last few weeks after I recently got married on 25/02/15, I observe less firm erection, that too not long lasting, tightness is less. I was under deep depression/ trauma after getting cheated with my wife as she has hidded great facts, which was not acceptable to me, suddenly after his incident I observed this problem of less hard erection along with my bp sooted up, in addition to that I was detected with high blood sugar before 8 years. I am a over weight man of 100 kg with ht of 5'11' physical activities are less. And from last 3 years I am working with dept. Of atomic energy, as engineer in a nuclear reactor. Some times get exposed to moderate radiation which is well under acceptable limits. And I was using tobacco products from the teen age. Which got very much enhanced during this stressful period just after marriage. My penial droppler scan & siemen analysis test did not show any abnormality. What should I do now to improve my erection quality. And what is the actual cause of this problem from among all probable causes I listed above. Please advice. The remedy & solution.