To a young (frustrated) writer:
Writer's block is real, so don't blame or punish yourself. You'll only exacerbate the problem. A couple things you can try:
1) Julia Cameron's suggestion (The Artist's Way) would be an "artist's date," which essentially means get out of the house. Play. Do anything not writing related to refill your creative well.
Go somewhere and people watch. Go to a play, an art exhibit, a concert, or a movie. Go play laser tag or paint ball. Go jump on a trampoline or ride a bike. Give your muse a chance to recover. Make it something that works for you and your type of "play."
I've had students go to Painting with a Twist (you, a canvas, and a glass (bottle) of wine. Another student, who is also an actor, was encouraged to Improv a conversation with their protagonist.
2) My suggestion: write something else, and give yourself permission to write badly, or as Anne Lamott says in Bird by Bird, write a "shitty first draft."
Write a weird short story, bad poetry, or substandard music lyrics. Sometimes you just need to switch gears until you're ready to work on that project again. I vacillate between Fiction and Creative Nonfiction for this very reason. Sometimes I just need a break (and you might too).
3) Do something physical. Run, walk, jog, treadmill. There's something about movement that shakes things loose, creatively.
4) See cartoon below on the potential for the books to write themselves:
5) Watch this video of a letter from sculpture Sol LeWitt to artist/friend Eva Hesse. The language is NSF (not safe for work), but it tends to kick creatives where we need it most:
Writer, college professor, lover of story, fan of all things bookish. Plus chocolate, because who doesn't love chocolate.