Suggestions? Put it aside for a few days, or longer, do other things, try not to think about it. Then sit down and read it (printouts are best I find, but that's just me) as if you've never seen it before. Start at the beginning. Scribble on the manuscript as you go if you see anything you want to change. And often, when you get to the end you'll be both enthusiastic about it and know what the next few words are. And you do it all one word at a time.
Neil GaimanNothing [the demon] could think up was half as bad as the stuff [people] thought up themselves. They seemed to have a talent for it. It was built into their design somehow. They were born into a world that was against them in a thousand little ways, and then devoted most of their energies to making it worse.
Neil GaimanRichard opened his hand, and the key stared up at him from his palm. "By my crooked teeth," asked Richard, remembering, "who am I?
Neil GaimanI love writing in longhand. Writing in longhand, I think, is a marvelous thing to do for a writer these days. If you have a notebook and a nice pen you can go off somewhere, you can write that's solar powered. You can drop it or get it wet and pretty much all of your work will continue to be there. If you suddenly decide to look up a word or check a reference you will not look up four hours later, blinking, finding yourself somehow in the middle of an Ebay auction you never had any plans to be part of.
Neil Gaiman