Opposition of the sweet and bitter poles of life, such as marriage and illness, are symbols of the reality of life. Birth and death are the other realities, by which life begins with sweetness and ends with bitterness. An embryo is formed in the womb, and the womb gets cancer, and the birth machine and what it has given birth to end up dying due to womb cancer. After birth, a person enters a sine wave of sweetness and bitterness, which is called life, and with the passage of time, he experiences growth that occurs due to bitter and sweet events. Cancer itself is a symbol of the development of decay , which ends with the development of that person, and marriage is a symbol of the sweet events with which one can mark another birth and create a cycle called the cycle of life. The cycle of birth and death, the cycle of life, or the opposition of sweetness and bitterness of life.