This is where ideas come from

I was brushing my teeth tonight and thinking idly of "The Country Mouse and the City Mouse" fable and wondering if I could get a short story out of it, when I noticed a spider running around the bathroom. It was black, maybe big enough to wrap its tiny feet around the edges of a dime if it stretched, and it was acting kind of odd. I watched it for a while and it seemed to be either tracking prey or following the trail of a lady spider, or something of the sort. It would run fast for a few ste...