hi 23 m here as well. girlfriend dumped me almost 6 months ago. i still think of her every day. i cut myself and cried for hours over her, but the last time i tried talking to her she ignored me. at some point, ive just accepted it. i have chronic insomnia that only responds to strong medication no matter what i try. just want to say that i feel for you.

life is impermanence. the happiness of your relationship was impermanent and the sadness will be too. just try to do what is best for you each day even if you dont want to. ive been researching philosophy and meditation which might help you too. dont be too hard on yourself. i will pray for you. good luck and stay strong.