He come home pretty late wearing his black jacket. You are not sleeping yet because you're waiting for him. You can see the blood on his face maybe he forgot to wipe it. He always hide that he kill people from you even though he knew that you already knew about his job

He just doesn't want his job make you feel uncomfortable

"You're not sleeping yet? It's getting late, dear"

He looks at you with hid tease smile but you knew he just being how he is. He care and love you after all