Extract:

"It's normal to experience some arousal with this intensity of sexual subject”. I nodded to his lap, where he was struggling to put the money in his trousers that had been tightened by his excitement.

He laughed nervously at my kindly smile. "Shit, man, sorry!" he said.

"Like I said, perfectly normal." I nodded reassuringly. "Loosen your clothes a little if it helps. The door is locked and we cannot be disturbed. We will be getting your emotional reaction to some pornography soon, so you may want to get a little more comfortable."