there silently giggling, her body shaking as she held in her laughs. I playfully smacked her on the ass and she said, "oooh baby spank me". "You're a bad girl", I said as I spanked her again which elicited a shiver and an "uuuuh" from her. "You like that don't you", I said which she responded, "UUUH HUHHH !. Perhaps she has learned some things about herself as well ?. We laid together snuggling while I fell in and out of sleep. I woke hearing my sister breathing steadily