Happy Puppies

Someone has done an experiment, put a frog in a pot of hot water, the frog encountered a drastic change, will immediately jump out, reaction quickly. But put the frog in cold water and warm the water slowly. You will find that the frog will be very comfortable swimming around in the water at first. The temperature of the water in the pot was rising slowly, and he didn't notice it. He still felt warm and pleased with himself.