When You Should Say No to Sex

Guys are expected to be horndogs, ready for sex at the drop of a bra. But that’s a lot of pressure, says Men's Health Sex Professor Debby Herbenick, Ph.D.

“Sometimes men end up accepting sex because their partner wants it, but they’re not that into it,” she says. “Then they have difficulty with erections, and it sets them up to feel like they have ED.”