The sadness in her eyes is palpable, and we can relate to that. Having the last slice of the pizza without offering it to anyone else is simply selfish. Even if you wish to have it, you must ask if nobody was planning on eating it because that’s the polite thing to do. Even cats are familiar with this social convention.
Okay, so that’s probably not the reason why this cat looks heartbroken, but it’s a good description for her expression, and something we could all relate with. Some pets just have this kind of look – it’s something about their eyes and facial features that makes them seem sad, and she must be one of those cats. Or maybe she’s going through a tough time.