We recently noticed that our 7 month old male Kirby has gotten very lazy. He was neutered about two months ago so we thought that he was just calming down a bit but we realized that all he really does now is lay around and sleep. He eats and uses the litter box as usual but doesn't have much interest in any toys or playing. I'm calling the vet in the morning but am looking for any ideas of if this is normal or any things that I should have the vet look for.