can i have some advise?

i wanna tell my friend that im in a really bad state but i dont think hes gunna care so how do i tell him so he acc will care and understand and at the same time i like him and i think i got attached because im a varey clingy and jelouse person and alot rn w him he makes me feel love ive never felt b4 he was my first crush and ive liked him now for 3/4 yrs now i hate it sm bc he donent give a fk abt me i cant deal w this so js lmk what i should do