Armin jerked his head around to confront Brian while simultaneously opening his mouth and furiously swallowing. It was because Brian had spoken up unexpectedly and said something that compelled him to take a breather, "No goodbyes, get better and train. That you still owe me a fair duel."
A grin appeared on Brian's face as he opened his hand and made a fist. Armin gave Brian a grin while saying something to him while giving his fist a little punch, "Guarantee it. This time it will be a fair duel between two gentlemen."
Armin eventually turned his back on them after a few seconds of silence and began to walk slowly in the direction of the warship.
While Kojiro cleared his throat, saying, "So, these are my apprentices."