Often certain people are always gloomy and sad. Talking about negative things and events that have spread sadness and heaviness in life. They repeat them all the time and often feel unnecessary over burden without any apparent reason.
If you come in contact with such people, they will over power with their under tone pain and suffering, you will get sucked up into a world of never ending confusion and dejection.
If possible after the very first interaction with such people, try to avoid any kind of exposure to such people.