Dean starts teasing you. You start to get annoyed. He doesn't let up. You start throwing things, chasing him around. With no regard, you two are in the den. Grabbing the first thing that touched your hand, you throw with no abandon. Seeing Cas with a face full of pillow stopped you and Dean in your tracks.
"Chuck-damnit Dean get off my hair!" "No, you need help!" *cas teleports in and braids hair perfectly before teleporting away again* Mia makes eye contact with dean. "Marry him." She says "I want him as a brother." Before walking out.