on Writing Forward:
A while back, I wrote a piece that had nothing to do with food, but food became a running metaphor while I was revising. The food metaphor was so delicious (or maybe I was so hungry) that I rewrote the entire post with food on the brain.
The blog posts I write with metaphors get a lot of positive feedback; everyone seems to embrace them. Metaphors are clearly useful for enticing readers.
So what makes metaphors work?