Hiding stationary in the back shed

[Kookamoor]

I read a short story a while ago about a woman who hid stationary in her back shed because she wanted to go into the stationary store and see a man who worked there. It wasn't an affair, she was just obsessed with seeing him because he was handsome. He didn't know how she felt, nor did her husband know he existed.

I think it was a short story, or it could have been part of a novel. For some reason I have very visual recollections of this, and I'm hoping I'm not confusing it with a movie.

Any ideas?