Even intimacy experts can fall into a physical funk. Vanessa Marin, a sex therapist, realized she was "bristling" every time her husband, Xander, was attempting physical contact because it had become synonymous as a precursor for sex, which Vanessa admitted to HuffPost, she didn't always desire. To combat what she dubbed "the bristle reaction," she enforced a new policy in their marriage: a nightly make-out sesh.