Wat do i do? my moms no help i kno tht much...?

see i lost a cat 4 years ago and its because my mom took her away behind my back ( i found out llater but never confornted her) and i still cry over her. T.J. was my best friend and she was snatched out of my life. i wish i could stop cryin but i just never can heal. i try talkin to my mom the other day, we were talkin about how i wont get over movin and she was sayin i choose have a hard time gettin over things so i was like so mom ur sayin i choose to still cry about a cat from 4 yrs ago shes like yeah morgan you choose to not let go it was 4 yrs ago and yr still cryin and its cuz u choose to do tht and theres nothin u can do to change or help it..... wat do i do i wanna stop cryin cuz it hurts so much and i understand its stupid because it was a cat and 4 freakin yrs ago