-Armin can play the piano like nobody else can ISTG
-He plays a lot of soft, emotional songs, but rarely sings to them
-Prefers to play the piano in solitude or around his best friends
-He invites you to play with him sometimes
-I bet you he probably plays songs like this
https://open.spotify.com/track/3Sqo1OaMll6qpQJmJNmAfk?si=f34e77857eb94a41
-He definitely taught Mikasa, but failed at teaching Eren
-It's a coping mechanism for him when he's upset
