I don’t see future for myself anymore i feel that my speech is a disability now

I don’t see future for myself anymore i feel that my speech is a disability now I am really 20 years old now and I am completely without a future with nothing, my friends are now ready to apply to study in military schools while I am left alone at home after 3 years of speech therapy therapy without any improvement, I don’t know what to do, or where to go, this is very unfair this shouldn’t happen to nobody, nobody deserve this, this is much.