Its so sad that humans perform best when suffering. I adopted a supper skinny worn out street cat, all she did was sleep eat and poop, she never went outside, straight from the sofa to the food and back to the sofa, really really slowly. For 4 years it did nothing but sleep, no exceptions. Then one day a different cat looked around the corner of the open door. In 0.3 seconds she launched from the sofa covering impressive distance and ran after it to the end of the street. Safe to say, if I don't move for 4 years I wouldn't be looking to pick a fight. But cats do get stupid if they don't have to work for food.