" They are ALWAYS happy and don’t even have to make an effort to be this way. What is their secret? Why them and not me? I used to wonder. Some people are born with a temperament that makes it easy for them to look on the bright side, but even they have to make choices about their thoughts and attitudes toward life. Any person, no matter how naturally inclined they are toward good moods, can have sour, negative thoughts if they don’t choose differently. Your mind, mouth, moods, and attitudes are all intricately connected. First you think, and then your thoughts turn into words that you speak, and the "
― Joyce Meyer , The Mind Connection: How the Thoughts You Choose Affect Your Mood, Behavior, and Decisions