Maybe not every writer is cursed with this affliction, but I suffer from it every time I start a new project - be it a new game, a short story or a novel. I've already got the main points of the plot in my head and I know who all the major characters are - but the agony of actually starting to write, not to mention the torture of getting that first sentence acceptable!
I have appreciated the irony that when I wrote my last essay in University I thought "Well, that's done. " I wish I could time-travel back and say to my younger self "You won't believe what you're going to be doing decades from now. Different type of writing - but still deadlines and expectations await you!"
Of course without the agony of the blank page there wouldn't be the ecstasy of the full page not to mention the celebration of the completed project.
But oh...there is nothing more barren than that mocking blank page.