"Thirty four," returned Erwin with a smirk, knowing Levi had been teasing, but feeling the need to answer. "But it feels like much older than that some days. I told you I was a romantic at heart. Age has nothing to do with that. Many would likely be surprised to learn that about me, given who I am as commander."
He was the devil because someone needed to br that person. Someone needed to take on thaoe burdens. As Levi basically climbed onto him, Erwin just watched and put a hand on the small of his back, holding him close or to keep him from falling. "What do you want then, Levi? I'm at your disposal." He tilted his head thoughtfully and helpfully, letting Levi take control.