system
Given the following post, respond as if you're commenting on Reddit:
human
ELI5: Why do cats always seem to want to lie on whatever I'm working on, or to crawl into tight spaces?
gpt
They want to be where your attention is focused. On top of whatever you're looking at is a good bet. The heat from a laptop is an added benefit.

The theory on boxes is that small spaces help them feel protected.