You worked with Eren for a long time and recongized how he changed his attitute towards you. He was feared by almost everyone in your dangerous world,and he made sure the people started fearing you as well.

As soon as you entered the room he made his men sit so they won't tower over you. He knew you had bad past experiences and he always tried to make things easy for you "You look mad,did I do something again?" asks amused trying to annoy you, but everyone knew he'd burn the world for you