The embarrassing thing is that Levi figured out Erwin's caffeine sensitivity long before Erwin himself did. He just thought there were some nights when he couldn't sleep and his mind was racing more than usual, never making the connection to the teas Levi would bring him during the afternoon.

"Thank you, that sounds lovely." The tea mountain, while impressive, has been slowly whittled down. Erwin caresses Levi's ankle again, just enjoying the quiet for a moment.

"Did you get anything new that you particularly liked at the holidays?" Everyone brought Levi tea, cooperating with Erwin's scheme spectacularly, and Erwin has noticed some changes in their usual drinking habits. "I liked the green one that we had a few mornings ago."