Um I hope no one calls me out but in the app I put in as 15 but.............................I am actuallly

I’m 10 and I got my period...........I have been scared of it for these past few days......but people don’t know me that much because my own parents don’t even know that I like to talk about sex,I joke around about stupid things,and I’m ashamed because people love me but I’m fat,and ugly,I hate some people for no reason,and I have heavy anger issues can someone please help me?