Numerous facts bear out the argument/statement/claim that in order to recover speedily from negative emotion, you should allow yourself to cry. You needn’t/don’t have to be ashamed of crying. Anxiety and sorrow can flow out of the body along with tears.
Consider the case of/Take Donna. Her son unfortunately died in a car accident. The intensity of the blow made her unable to cry. She said, “It was not until two weeks later that I began to cry. And then I felt as if a big stone had been lifted from my shoulders. It was the tears that brought me back to earth and helped me survive the crisis.”