Sleep is when you close your eyes and lose consciousness. Or when you hit someone with a frying pan often enough, but not enough to kill 'em.
Conflict-averse people will always maintain an unhealthy peace in preference to healthy conflict. Minimising sexual harassment and caring about things with no consequences is the unhealthy peace. You can't accuse him of being apathetic, because look, the cheating is bad, but he won't get involved with anything that might require him to act.