What’s interesting is that once you have maximum optional, you could just focus on the life of leisure

Infinite opportunities and possibilities

It is different once you have kids; for example smoking and second hand smoke.

No LCD screen is better for creativity?

Naked as possible; the human body is actually the best thermo regulator?  especially the heat and humidity, — especially south east Asia , not wearing a shirt is the most logical sense 

even wearing a hat is not a good idea — it makes your head too hot 

The natural human body knows best?

,

Maximum sunlight exposure to conquer jetlag 

Maximum sunlight exposure; the best way to conquer jet lag — be in the direct sun when you arrive at target destination as much as possible