How to lose 40lbs in 4 months?!( im a 12 yr old girl)?

OH MY GOD. YOU ARE 12. shut the **** up. if you keep acting and thinking you are the **** everyone is going to hate you and youre going ot get beat up. seriously shut up. i would like to beat you up myself. sorry im being a hatterrr! xoxoxo;) np bby girl kim kardashian stfu i want to smack you fat.