I picked 10 lines from a favorite book of mine that will serve as writing prompts. Pick one and use it as the beginning of a short story, or perhaps as the theme for your short, or… do whatever you wish with it! As long as it’s a short story or flash fiction. See it as a fun experiment.
By the way, if you mention in the comments which book it is and from which author, kudos.
Up and down he paced, consumed with anger and frustration, grinding his teeth and clenching his fists, casting angry looks out at the empty, star-strewn sky every time he passed the window.
The sight of them looking so nervous made him feel slightly ashamed.
But the great black dog gave a joyful bark and gamboled around them, snapping at pigeons, and chasing its own tail.
“It’s best to know what the enemy are saying.”
He was talking in a very fast, feverish way.
The happiness that had filled him since Saturday was gone.
It was as though a film in his head had been waiting to start.
“Well, wouldn’t it have been easier if she’d just asked me whether I liked her better than you?”
There were screams and yells reverberating from somewhere above them.
“It was foolish to come here tonight.”
There you are. Happy writing!