"Cas what is this?" You stutter looking at a little bottle of purple goo. You found in one of Cas's trench coats.
"My grace." He commented back to you. You looked at the floor. You knew what that meant. Cas was going to have to leave you and go back to heaven.
"How long have you had it?"
"3 months." He had a serious look on his face. You and Cas have been together for two years ever since he became human. You're Dean and Sams little sister.
"Does Dean know?" Was my first thought. After all Cas was Deans angel they were pretty close.
"No I'm the only one who knows" my face saddened some more. How could he be with you all these years and not tell you?
"So are you going back?" There was a silence for a few minutes.
"No." He looked down at you.
"No?" You questioned.
"No. The reason I didn't tell you about finding my grace is because I was going to destroy it so I can be with you." He smiled at you.
"Really Cas? You would do that for me?"
"Yes, I would do anything for you Y\N." He kissed your forehead. "I love you."
"I love you to Cas." You smiled hugging him.
_____________________________________