The tension between gus and jim reflects the novelty/predictability dialectic. It is a interpersonal communication subject that is discussed in conflict management.
The novelty/predictability dialectic is the tension between wanting routine and wanting novelty in a relationship, meaning the desire for stability and change. It is manifested by partners simultaneously. And this tension is only considered problem if partners don’t understand that dialectics are generated naturally. It is related to relational dialectics (opposing forces in relationships).