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the theory that states that all older sisters are hot no matter what if some girl is ugly and then has a younger brother born she will miraculously become hot the older the younger sibling, and the better you know them, the more satisfactory it is to gawk at their sister especially if the younger sibling is male if there is a not hot older sister: 1-they have a penis 2-they have a disorder 3-they are bangable at the very least 4-they do not really have younger siblings 5-you are living a lie
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