my boyfriend dumped me bc im unstable

he said hes tired of me for being unstable and it isnt gonna work and hes not even gaining anything from the relationship and that he doesnt wanna talk yo me anymore

i dont know how to cope with this because he was the perfect bf, my first everything and im gnna see him every month for church idk how to cope i cried sm and sm and i js cant inagine my life without him