Many people say that taking care of yourself is selfish and is a waste of time. However, taking time to renew yourself makes you have a clear head which can help you think of ways to solve any problems or situations easier and faster.
In the book "The 7 Habits of Highly Effective Teens" there's an example that talks about a man who had lasted hours trying to saw down a tree with a saw that wasn't sharpened. A man who walked past him suggested that he should