The most poisonous emotion in modern life is envy.

This is so poisonous, it is probably an evolutionary adaptation. I would guess that even I have very little control over envy. Suppose I work for a company and the company practices a system whereby everyone’s salary is transparent. If I find out that my salary is below the median salary between my peers, I will be working hard to get out of my situation straightaway.

One defence against envy is to live in a neighbourhood where your neighbours have a lower social economic status. Of course, if you wish to do that, you need to ensure that you are sufficient modest such that you will not induce envy in others.

Social media makes things even worse. We are now exposed to everyone’s positive sharing with no idea of how much internal struggle our friends may be going through. Everything on …