Is this true about what my sister said?

my younger sister told me that a women wearing knee high denim shorts means or makes her look like a lesbian because they make her look 2 boyish looking iam not a lesbian and want to wear these shorts to knees but thats what my sister said mostly everyone things ure a lesbian if u wear those kinda shorts its just i dont like showing my thighs to much?
Is this true about what my sister said?
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