One of the reasons I believe people are always motivated by psychological egoism is they have a choice to perform or help in any situation. Because people have the choice to help others/get involved, they only do it because of the personal benefits that they expect to obtain, directly or indirectly, from doing so. According to Terrance C. McConnell with psychological egoism a person cannot perform what he believes to be contrary to his best interests and a person's only obligation is to promote their own best interest. People have a choice and will choose to help if it only benefits them.
Another reason I believe psychological egoism to be true is people’s egos. People want to gain benefits from their actions and satisfy there egos. People’s actions are done to get benefits such as popularity and/or fame. An example would be when a person donates money to a charity or donates clothes to the good will they do it because of the positive interaction and the feedback they get which will satisfy their ego.
The last point I want to make why I think psychological egoism is true is most people have selfish motivations. Selfishness meaning doing things without regard to others. Thomas Hobbs believed all human behavior motivated by two impulses “seek pleasure and avoid pain.” People will seek immediate gratification of