GURR!! why is she getting so mad!?!?? we're teens!!!?

ok so I was over at my friends house n she had some alcoholic drinks and everyone was sleeping so we had a shot not even that BIG!! and my moms like your not allowed over there anymore and you can't leave the yard... and it was me danielle said and brandy... and sadie did it too and she the one who told!! gurr!! I'm so mad!! but why is she so mad! i mean we're teens we were curious!! all teens do stupid stuff every once in a while! That was Just one of mine! and it's not like we got drunk or anything!! I mean seriously!!!! but why is she being like that?!!??