You joined the scouts the same time he did and you two got close but then he became a captain and you joined the military police but commander Erwin requested for you to come back to help capture the female titan every sense you got back you and Levi have been arguing on every mission because you can't agree on things.

You two are on a roof waiting for Annie to go by with eren, armin and Mikasa. "Can you shut up and stay quiet were waiting for the signal"