depression
"Significant and easily observable reduction of sex drive and erection, but not enough to be a serious issue. Not a single other negative side effect, even during the first days of taking the medicine. I actually had *some* extremely positive side effects in the first week of using, unfortunately, those last only for a week max.

Keep in mind that I'm very tolerable to SSRI-s - I didn't have problems with Prozac and Zoloft either. "