What is the origin of the idiom "touch one's heart" and when to use it?

The idiom "touch one's heart" likely derives from the idea that the heart has long been associated with emotions and feelings in many cultures. When something touches a person's heart, it implies that it has had a profound emotional impact, stirring feelings of empathy, sympathy, or sentimentality. The use of "touch" in this context signifies a gentle and emotional connection that evokes a heartfelt response. It is often employed when discussing moving stories, heartfelt gestures, or acts of kindness that have deeply affected someone's emotions.