Sadness is a normal feeling that a person can experience at times. Grief is characterized by a feeling of pain and deep sadness, and it is often the result of the loss of a dear person, an important opportunity, or even disappointment. Of course, grief is part of the human life experience.When a person feels sad, it can be reflected in his psychological and physical condition. Common expressions of grief include:1- “I feel empty and lonely”: It is a phrase that expresses a person’s feeling of sadness and emptiness after the loss of a dear person or an important situation in his life.2- “My life is meaningless”: a phrase that expresses feelings of frustration and dissatisfaction with life because of painful experiences or difficulties.3- “I feel sorry and remorse”: It is a phrase that expresses a person’s feeling of sadness because of his failure to achieve a goal or because of making a wrong decision in the past.4- “I feel disappointed and frustrated”: It is a phrase that expresses a person’s feeling of sadness and frustration after failing to achieve an important goal or not achieving his expectations.5- “I feel sad and sad”: It is a phrase that expresses the feeling of deep pain and grief that a person experiences after the loss of a dear person or a painful event in his life.6- “I feel weak and tired”: a phrase that expresses a feeling of mental and physical exhaustion due to constant sadness and inability to deal with circumstances.