My Vagina is really big?

Hi I'm 13 years old.My question is.I masturbate but i don't see how it stays that big whenever i don't masturbate for a long time.It's like swollen or something id don't know.I hate it cause if I'm wearing spandex or a dress there is like bulge where my vagina is.When I'm lying down... show more Hi I'm 13 years old.My question is.I masturbate but i don't see how it stays that big whenever i don't masturbate for a long time.It's like swollen or something id don't know.I hate it cause if I'm wearing spandex or a dress there is like bulge where my vagina is.When I'm lying down it's like a big pump and so it's embarrassing.I there an explanation for it and can I make it smaller?
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