Normally, A bully is someone who has been bullied themself. Sometimes they will let their emotions out on other kids who don's deserve it based on what may be happening in their life.
Well you get Anemia from lack of iron in your body and a lack of iron in your body cause you to have a lack of bone marrow hemoglobin, if you don't have hemoglobin then you can't produce red blood cells. So all of this make Anemia so the answer is folate toxicity.
Hope That Helps!
It could be Eat but Idk A lot So Go with your gut