"Bite me."
Eve knew that Dean didn't mean that literally, but he needed to be taught a lesson. She bit into him. Then she was burning. She backed away.
"Phoenix ash. One shot of whiskey, one shell, down the hatch."
She couldn't believe that he had outsmarted her. She was thousands of years old. He was a mere infant. As she died she changed back to her host body's form. She didn't want to be his mother. It felt like the ultimate betrayal. Now, Castiel was going to win. She wished that she had had time to divulge his secret.