Don't carelessly ignore people.
In life, there are people who easily ignore people for no reason. Why? He's doing it because he's afraid. Fearing that he will be ignored, he ignores them first. He is a poor man with a broken heart.
It's very easy to make a person unhappy. Just keep ignoring him. Ignoring him is not acknowledging his existence, which makes him feel isolated. No matter how rich he is or how high his position, he will become unhappy if people continue to ignore him and show no interest.
Recognition is the greatest compliment. People grow as they receive recognition. Recognition makes people stronger and builds confidence. Recognition is the driving force that evokes a sense of accomplishment and courage in people. People feel happy when people show interest in them, know what they do, and acknowledge their worth.
If there is someone you want to make happy, all you have to do is show them interest, know what they're doing, and acknowledge their existence. You shouldn't ignore people for no particular reason. If you ignore people, you will be ignored by people.
If you want to be recognized by others, you must first acknowledge them.