The 'passive-aggressive' creeps into the world at the flanks, not in full force, but in annoying raids. It's military in feel.
The 'aggressive-passive', far from chipping away at us, enriches who we are as we mature. It's philosophically existential in feel.
Any formula fails to give full justice, but try this, a snippet among possibilities:
Not feeling it, but eliciting the feeling
Not admiring it, but being admirable
Not reading it, but writing it
Not having it, but having done it