To promote business in Korean society, human relationships are really important. If you don't like somebody, you can avoid him, but after a while your sphere of social activity narrows. By just meeting those within your own group, what do you expect to accomplish? The number of people whom you don't get along with in this world is much higher.
The reason you get hung up on what someone has said or done is because your ego has too many fixed ideas. It's because your mind isn't open, that is, you haven't reached "universalization" -seeing things from the viewpoint of the universe. Does the universe have anything it doesn't accept? It accepts even a speck of dirt or a mote of dust. The universe is not just composed of only the beautiful and good. You should not say, "Ah, such a lot of people I hate to see! I'd like to dump them all in the river." The universe...Accept all, and embrace all. Those people as well have their own particular reason for existence.
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Is the way you see the world 100% right? That's not the case. You can be wrong in some ways about other