By default all living beings, humans included are programmed to be happy. In other words to be in sync with nature. While all other species remained in sync, humans chose to do their own thing as they had a choice to do otherwise . After a brief flirtation with the attractions of the world & still unsatisfied, the restlessness in humans gradually culminates in pangs of frustration. Under these circumstances, humans are either driven to seek solace in prayer or pursue other means to seek the eluding happiness! A case of closing our eyes & complaining of darkness.
At a more mundane & practical level though, the 5 tips which you have suggested are very pertinent to efficiently navigate through the chaotic traffic of life.