"Writers need to read read read and write write write. It takes practice, just like anything else. So the more you expose yourself to words on the page, and push yourself to write your own words, the better you'll get with time. It's not a process you can necessarily rush--and it takes a lot of hard work and patience. But if you keep going, keep improving, and don't let anything discourage you into giving up, you will be a published author someday."
One of the ways that helps me get out of a plateau IS reading, so this quote makes a lot of sense to me! If you are feeling a little burned out, consider taking a break to read a book. Have you tried that? Does it help you when the words aren't flowing?
Good luck with the last week of writing!