Why Can't I Come? 6 Reasons Your Orgasm Can Get Blocked & What To Do About It. You may have felt anxiety that it’s just not ready to have an orgasm with. Ten percent of women have never had an orgasm. WebMD's sexpert Louanne Cole Weston, PhD, reveals the two-part trick to having an orgasm. There’s Help for Women Who Can’t Achieve Orgasm. We don’t often think about what needs to happen to go from arousal to a satisfying orgasm.