Support for the presumed broadening and building effects of contentment presently comes only from theoretical writings, and these, unfortunately, are not sufficiently relevant or precise. However, as yet there is no evidence to support these conclusions, and indeed, it is difficult to imagine how one would test them. In sum, as Fredrickson herself acknowledges, it is imperative that her hypotheses be put to empirical test. Such research efforts hold great promise for advancing the study of optimal psychological functioning and the positive side of human life. Cultivating positive emotions to optimize health and well-being.
Happiness is a stochastic phenomenon.