My friend likes my crush and she likes him back, what do I do?

I am 14 and I got rejected by my crush, but I keep talking about stuff she likes and I think she started to like me more, but then my friend likes her too and does everything she likes as well, but he's more silly than I am, I'm quiet at school, but at home im like my friend, but she doesn't know that, and she likes him back, but they aren't together yet, but what do I do with her, or to me?
My friend likes my crush and she likes him back, what do I do?
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