Hi, I started doubting the quality of erection around two years back, somehow i managed it by doing exercise, dieting & increasing green vegetables & fruit intake. Around one year back i thought things are working as i was experiencing strong morning wood & i could also sustain it while having sex though for very less time. But that didn't last for long & now i rarely sense any morning erections & no erections at all while wanting to have sex. I also feel my libido has decreased by half. Though i haven't yet checked my testosterone levels. I have lost all hopes as with lifestyle changes I couldn't see much improvement rather with time i have lost it completely. Now i wanna know if there are no reversal remedies should i go for either of these pills - viagra, clialis, livatra or stendra. Besides this i'm also taking 'Cetrezine' every third day so will it be safe to have blue pill with this salt without any interaction. Please suggest some way out. Thanks