What is Sibs With Benefits?
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A consensual incestuous relationship based on convenience and mutual need rather than romance. Like
Kelly was tired of having only losers for boyfriends, but she didn't want to be lonely anymore. She asked her cute little brother Eric if he was interested in adding sex to their already close relationship, and he agreed. They weren't in love or anything, it was more of a sibs with benefits arrangement.
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When your dog farts in the bed, then gets under the covers to get away from his own smell, leaving you to deal with it. The inverse of..
