What is the origin of the idiom "take something to heart" and when to use it?

The origin of the idiom "take something to heart" can be traced back to the Middle Ages. The concept of the heart as the seat of emotions and feelings has long been associated with deep emotional involvement. The phrase evolved from the belief that the heart was not only the physical organ but also the center of one's emotions and innermost thoughts. The idiom is commonly used in personal growth, self-reflection, and interpersonal relationships, emphasizing the emotional investment and sincere consideration of the matter at hand. It conveys the idea of deeply valuing and being influenced by the significance of the information or experience.