Answer:
They do it cause there's something going on at home and they take their problems out on others or some just do it for fun cause they think their better than other people in which their not. I never understood why people did it, people can be complete strangers to them and they'll still treat them differently and inhuman. Misery loves company. They are toxic individuals and selfish. They can't see the sight of you smiling or see you doing well. Because if they are angry and hurt they want you to feel it too, why spread love when they can spread misery.
Step-by-step explanation: