Yet there seems also to be another type of person who is always predicting the worst, complains about everything and finds fault in everything and everyone.
Whilst I would never attempt to explain the reasons why people can have such varying outlooks on life, experts would agree that there are things which anyone can do. If observed for a period of time these 'tips to living' can bring about an improved sense of wellbeing and a greater appreciation of life. Many would agree that much like exercise improves the body, regular training of the mind can improve one's general sense of happiness.