“Promise me something,” he said. “Okay.” “If something happens to me—if something happens to me, you’ll take care of Evi. Swear to me. Like even if I’m dead and gone and she marries someone else and moves a thousand miles away, you’ll check in on her. Make sure she’s okay?” he said, earnestly. The smile was gone.
This is something super-important that is prettymuch a given to both of them...Dalton doesn't really *need* to make this promise to Eamon, but he does. I wanted it to be a very deliberate thing...something that Evangeline doesn't know-know, but suspects... and then later after Eamon's death, she confronts Dalton about it.