Another good reason to be selfish is to gain self-worth. You are not putting a price value on yourself but a life value. Your life is priceless and you need to feel that. Self-Worth tells you how you feel about you, not about what things you have done.
Why Being selfish is a good thing?
“Selfish people are more confident and less likely to give up on goals,” she says. ... “Selfish people have a drive to succeed,” he says. “There is often a higher purpose to be a great leader–taking care of other people. But if you can't take care of yourself, you can't care for others.
Is selfishness ever good?
Selfishness doesn't have to be a bad thing. It can be good to be a little selfish to take care of your emotional, mental, and physical well-being. Many people who focus entirely on give, give, give end up overwhelmed, fatigued, and stressed.