How do you know if you are anorexic?

i am 150 cm. and i weigh 78 lbs. I am not OBSESSED with what i eat, but i find i am constantly looking at myself in the mirror, and i don't really like eating out as much anymore. I am not a strict vegetarian, but i don't eat meat anymore. I hope i am not anorexic, but my mom seems to have noticed that i... show more i am 150 cm. and i weigh 78 lbs. I am not OBSESSED with what i eat, but i find i am constantly looking at myself in the mirror, and i don't really like eating out as much anymore. I am not a strict vegetarian, but i don't eat meat anymore. I hope i am not anorexic, but my mom seems to have noticed that i want to be skinnier, she says i am already to skinny as it is. So i am not sure, please help!
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