I don't remember which study it was, but a quick search will find quite a few, e.g. https://www.inverse.com/science/how-do-i-know-if-my-cat-loves-me https://www

I don't remember which study it was, but a quick search will find quite a few, e.g. https://www.inverse.com/science/how-do-i-know-if-my-cat-loves-me https://www.inverse.com/science/how-do-i-know-if-my-cat-love...