I love the multiplayer for how much you can express yourself through gameplay.
Once you get to a certain skill level you learn how to communicate through just gameplay.
You can just stand there, menacingly…
Or if the match has come to a lancer camping stalemate you can do silly things to bait the enemies into doing something. My favorite is to stand there hipfiring lancer, or the “swooping” from cover to cover. (Side-a off a corner into a parallel one)
Or you can wallbounce like a crackhead if you want. Or you can just strafe and still win the game either way.
And finally, that nice little dopamine rush when you fight a long match and win, guiding your lesser teammates by using good teamwork. Its subconscious to me at this point. Just analyze your team and complement their actions.
Even if you have that one guy who just doesnt stop rushing the enemy team trying to 1v3 them. You gotta adapt to that and maybe help him out sometimes.