Happy smile-jokes-relaxed quotations, Happiness is a peaceful and comfortable mental state that can exist for a long time.

The evaluation standard is whether the target value (expectation) can be achieved. Happy smile-jokes-relaxed quotations. The key lies in the selection of the target value and the ability to achieve the goal, which can be achieved after the two overlaps, and the extreme value can be reached when the target value is equal to the upper limit of the ability. and Happiness is, on the basis of certain food, clothing, and safety conditions, can produce happiness in the social and ecological environment, with the elements, mechanisms, and motivation; Happiness is defined as a life of mutual satisfaction and mutual recognition (equal respect and trust), existing on the basis of survival, developing in a good social and ecological environment, and being realized within each happiness.