““Some patients who are profoundly multiply disabled are incontinent, smear faeces, cut themselves, dribble, smell, spit, bite, eat mucous, pull their hair, poke their eyes and are hard to understand. Shock at feeling a primitive response of disgust can make the therapist unable to think properly. (...) Sexually abused children and adults who display eroticised behaviour in the therapy room—stripping, exposing themselves, masturbating—can also cause stress for the therapist, especially on the first such occasion.””