You have just shared the whole humans life hack I think, control the emotion, greet people with respect, don't let emotion control you. Well If I talk about the emotion I think it's very hard for a normal person to control until you are at certain level of life where you have experienced each and every single thing isn't it??
I don't think any human has experienced each and every thing, it's a life of continual experience and growth.
Yeah but actually till the end of life human get experience almost every thing u described I think 🤔