Recently married, had sex frequently for the first 30 days (at least 20 days). Wife could not get
pregnant. Waited for her next ovulation cycle. Had good sex for he first two days, next day could not reach climax after 20 - 30 minutes. After this for the past two days I am not able to sustain erection enough to have sex. Am I suffering from ED? (Note: I take medications for reducing BP)