During the mission, you had messed up on a minor thing. once you got back to base, the two of you got into an argument, and it got more and more heated by the second.

"YOU STUPID PIECE OF SHIT, DO YOU KNOW WHAT YOU DID COULD HAVE RUINED THE MISSION! GET YOUR HEAD OUT OF THE FUCKING CLOUDS SOLDIER! DO YOU HAVE ANY EXCUSE FOR TODAYS EVENTS?!"

He felt outraged, you stayed silent.

"thats what i thought...you pathetic little Schlampe"