My mom is making me gain 5 pounds?

I'm a female 16 5'5 and weigh 110 and my mom is going to force to gain 5 pound I'm already fat as it is why does she want me to be even fatter :(:( what should I do I want to lose weight not gain it my idealweighr would be 99 I'm tired of being the fat girl :( thank fir the answers