Entertaiment is a great way to relax and have fun. It can also stimulate the brain and realease seratonin, dopamine and other chemicals that make you feel good. Entertainment can also hit the points that our brains were shaped to react deeply to, wich are backstabbing, murder and other social themes in society. It also can have aesthetic effects. It all depends on the person who is enjoying it. This is why it is so important to find what entertainment fits you best.