Mental description was a literary technique that described the thoughts, feelings, and emotions of a character to show the inner world of the character. Below are some passages that can be used to write about the heart: When she heard the loud noise, she felt a pang of fear in her heart as if an invisible hand was clutching her throat. He felt as if he was surrounded by a powerful force. His breathing became rapid and his heart beat faster. When she saw that familiar figure, she suddenly felt a strong sense of joy, as if the whole world had become better because of her joy. The appearance of the stranger filled her heart with contradictions and uneasiness. She felt as if she was fighting an unknown enemy. When she heard the news, her heart was filled with sadness and despair, as if the whole world had lost its color. When he heard the voice, he was shocked as if the whole world had stopped and he was the only one standing there quietly. When she saw the stranger, she felt a chill in her heart as if the whole world had revealed its true face. When the news came, her heart was filled with fear and uneasiness, as if the whole world was about to collapse. When she saw him, her heart was filled with joy and gratitude, as if the whole world was cheering for her. When she heard that voice, her heart was filled with despair and pain, as if the whole world had left her.