Fics like In the Name of Science

“Do you know about angel ruts, Dean? Do you know what will happen if you let me have you? I don’t want to just use your body to quell my urges,” Cas leaned in even closer, pressed his forehead against the hunter’s, “I want to mate you Dean, make you mine, and angels mate for life.” He met Dean’s verdant eyes. “No more one night stands, no other warm bodies in your bed. You will be mine and mine only, Dean Winchester. So tell me, do you still want this?” “Yes,” Dean whispered against Cas’ lips before closing the distance between them completely.

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