Letting Go of Guilt : Upholding your own priorities and standards is a fundamental right. There is no need to feel guilty about refusing things in order to choose a healthy and happy life for yourself.
2.
Blocking Manipulation by Others : Being a "people pleaser" makes you an easy target for manipulation. To avoid being controlled by others, you must be able to firmly say "no," even if it sometimes appears selfish.
3.
Prevention of long-term stress : You may feel uncomfortable and stressed for a few minutes at the very moment of refusal. However, this refusal prevents the greater stress that could lead to hours, days, or weeks ahead.
