The Story of a House Cat and a Stray Cat

After her owner abandoned her, a house cat had the good and bad luck to meet a stray. She still hadn't learned a thing, spending each day lazily curled up inside a shipping container or sprawled on a wall, basking in the sun and waiting for the stray to come back with food, groom her, and smile at her tenderly. Until one day, the stray disappeared. This was someone's wild idea. They told it to me, then refused to write it! Unable to stand it any longer, I organized the entire outline and barely pieced together a complete story to console myself... Theme: