Brother wearing my bra?

So yesterday I came home from school, I was late my twin brother was in our room, and I came in quietly and I saw him wearing one of my bras, I walk in and he said hey normally, I said why do you have my bra and he didn't Answe and he just walked away, I don't know if I should talk to him or Just leave it or Tell my mom, Let have the bra
Brother wearing my bra?
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