Even an apprentice muse (think of Clarence in It's A Wonderful Life) can help you find the creative impulse in yourself. Remember, writing is like playing an instrument. You're not going to be a brilliant guitarist the first time you pick up a guitar, no matter how good the instrument is. When you're starting out as any kind of a writer, you have to give yourself permission to suck. Badly.
One thing I've learned about writers is that even the best think they've completely lost the ability to write while trying to finish a book. Steinbeck wrote in his Grapes of Wrath journals that he had completely lost the ability to write and that the book wasn't good enough to keep working on it. Twain put Huckleberry Finn aside for years before giving it a try again. Douglas Adams was a notorious procrastinator who suffered from crippling writer's block and had to be locked up in a hotel room with somebody who made sure he'd write.
None of us is Steinbeck or Twain or Adams, especially when we first pick up our instrument. But if they can have those doubts and that loss of confidence, it's OK if we do too. We just have to follow their example and keep plugging away anyway. It comes together eventually. Few writers publish their first complete works, or even the first three. The actual number depends on the writer. The only way to learn to write is to write, so those first efforts are going to be bad, maybe embarrassingly bad.
If you're writing, even badly, you're a writer. Fortunately, if you're writing, you'll get better (at your own speed, of course). Allow yourself to be A Writer. Make a deal with an apprentice muse that if she'll help you, you'll give her something back. If you need to create a ritual sacrifice to your muse, go ahead. Offer her a drop of your of your favorite drink if she'll help you get through an hour of writing, even if it's not very good. Or whatever works for you.
Every time a writer writes "the end," a muse gets her wings.