The physical body is the natural shadow of the mind... in its totality. Everything is psycho-somatic. Our whole life is literally an expression of psycho-somatism. The psyche creates the soma. If we take care of the psyche, we have taken care of the soma.
Suppressing oneself without expressions leads to a block. Expressing oneself leads us to clear all the blocks and helps us go smoothly in our onward Evolution.
People have wasted enough lifetimes without developing the ability to express. We should never repress ourselves. We should always try to express ourselves.
Expressing oneself is very, very important. Every experience needs to be expressed, taking into consideration suitable situations. When people express themselves, they also listen to their own selves.. which, then, leads to their next step in evolution. PSSM demands heartfelt expressions from everybody, all the time.
Trying to express ourselves and listening to others' expressions helps human beings to understand one another. When we express ourselves, we give everybody an opportunity to understand us. When we listen to others' expressions, we begin to understand them.. and then both the expresser and the listener would have taken their respective quantum leaps in their joint journey of evolution.
People write books to fully express themselves. When we read books, we collect those grand expressions. We must be great collectors of world-wide expressions.