How to reduce internal friction? Friends who have been hurt know that it's better to reflect less on oneself during peaceful times and to blame others more. Don't ask yourself why; ask others why they should. Don't be anxious, don't be timid, and don't be ashamed. If you make a mistake, don't be afraid; think slowly about how to shift the responsibility to others.

Before doing something, think thrice: can you do it, can it be done later, or can it be delegated to someone else? If you're right about the matter, remember to be unyielding; if you're wrong, then lose your temper. During the day, scold the delivery people while working as a security guard, and at night, scold the security guards while delivering food. When driving, scold cyclists, and when cycling, scold drivers; when walking, scold both.

In short, be strict with others and lenient with yourself. As long as you have no morals, morals cannot hold you hostage.