I don't know why my younger classmates' attitude/manners are getting worse and worse to the point where they make fun of me about my physique

I don't know why my younger classmates' attitude/manners are getting worse and worse to the point where they make fun of me about my physique #shcool_bully #me #reallife #haters #real_events #bully #friend #drawing #mydrawing #character #emoji