If you're an aspiring author, or even aspiring to aspire, take two minutes out of your day and watch this video.
Ira Glass on Storytelling from David Shiyang Liu on Vimeo.
(Video linked on my own tumblr, but found from the awesome Beth Revis' tumblr.)
If you're struggling, feeling like what you're writing is crap, stick it out, push through it. You will get better.