Working people in the office always feel that they have a lot of troubles. In fact, most of the troubles are self-inflicted. As long as you have a mind and think from a different perspective, it is not difficult to survive, and it can also make you happy.
According to McKinsey, people usually remember one, two, three, but not four, five, six, so everything should be summarized in less than three. This is now widely circulated in the business world "30 seconds elevator theory" or "elevator speech".