He believed in following rules, and had one for everything. Rules helped expedite life by reducing the time and energy needed to think about things, freeing him to relax. His number one rule was not to get close to anyone or to have a pet. Number two was, only wash items he felt like folding.
He ended up buying a lot of clothes, and was forced to create a rule that he would buy only used clothing. Others didn’t seem to understand, but then, they were operating under a different set of rules.