Processing sadness is a deeply personal experience, and different strategies work for different people.
For me working such strategies:
Allow myself to feel: It's important to acknowledge and accept emotions, including sadness. Allowing myrself to experience and express my feelings without judgment brings me relief
Anger is one of the basic emotion. It`s source of great energy which you can use to act wise.
Doubt is a feeling of uncertainty, hesitation, or lack of confidence in oneself, others, or a particular situation. It is a state of mind where a person questions the validity, truth, or reliability of something, such as beliefs, opinions, or facts