Jane Austen famously described her writing as working on "two inches of ivory" but the main point is that she did her writing, regardless of scale. It may have taken time - First Impressions and Elinor and Marianne were written at least 10 years before they became Pride and Prejudice and Sense and Sensibility , but in the end the novels got written.
I wish it were true that there were magic writing pixies and wishing you'd written a story or novel would make it so, but the sad and sorry fact is that there aren't and wishing won't make any difference.
Bum. Seat. Connect.
Hands. Keyboard. Connect.
Hands. Pen. Paper. Connect.
However you do it, it has to be done. And that's all there is to say about it.