You know how some people seem to be happy no matter what happens to them? They always have a positive outlook on life. They seem to enjoy things more than you. You've probably wondered what it is about them that makes happiness so easy for them. Well, it turns out there is no special trick to happiness. Just like anything else, it's just something that you have to learn to make small habits. This book includes: 20 Hobbies That Make You Smarter...