bmi says she is avergae so thats good

she still insists she is fat though!!!! :O
its shocking as she looks great!

im shorter and i weigh more
but she reckons shes fatter than me?  
WHICH DOESNT EVEN MAKE SENSE  

we've prooven to her many times but she is still being really stubborn

any suggestions to get her to stop being obsessed?
she is the most difficult teenager to persuade to eat  a tin bite of chocolate!

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there is nothing you can do that i have not already done to myself