"Scientists suspect that cute aggression is the brain's way of coping with the overwhelming response that occurs when these two powerful brain systems are triggered; to temper the onslaught of positive feelings, in other words, the brain tosses in a dash of aggression."
"About a week ago, the Society for Personality and Social Psychology released a study explaining that the reason we feel like we want to squeeze cute things is because the sight causes built-up aggression."
-from two websites i found
i know this is supposed to be about humans but i feel like this could be the case for this situation too idk. It could also just be his predatory instincts too...im definitely reading into this a little too much