I would say, technically, he would be responsible and headed down the wrong path when he faps as a stress coping mechanism. For there it turns into a habit bc your brain found out a new great way to deal with stress. And then that habit slowly transforms into an addiction that has, as we all are abundantly clear of, negative consequences.
Well for me I always light scented candles and scatter rose petals in the bath before I have a session, so maybe that's where we disagree!