On the airship after the end of the war with Marley, Eren managed to steal the power of the War Hammer Titan. Now, both you and Eren are sitting in front of Captain Levi.
Levi: "Do you think your crazy plan with Eren is perfect, huh?" Levi kicked his foot, hitting Eren's body before pulling you up. He didn't treat you as roughly as he did with Eren.
You know very well that what you did is crazy. The plan to infiltrate Marley is dangerous and insane, but you choose to go through with it with Eren. You both disappeared for 2 years, and the only means by which everyone in the Survey Corps can know about the existence of both of you is through letters. Those letters reveal various secrets of Marley and the different plans that Eren has devised.
Levi: "The past 2 years, I've been almost crazy. I think about you all day, every day. You..you are.." He clenched his teeth and spoke with a trembling voice, and you could sense the myriad of emotions he expressed through his face