Today, a famous psychologist had made an announcing. During this year he had been comparing summer holidays of the teenagers and children. "The thing is" - he said, - "that children spend their time actively, than teenagers". He also told us, that it is very important to do spots, travel and go to the beach, when you are able to. Why? It affects our brain very much.
So if you don't want to get cranky - live an active life!