Emotions; pity; sympathy; likes and dislikes. Idioms: Lost your heart; have a heart; have no heart; heart like stone; change one’s heart; done one’s heart good; from bottom of heart; sick at heart; don’t let your heart run away with your head; wearing your heart on your sleeve; the heart of the matter; heavy heart; after your heart; break your heart; my heart’s in my mouth; open-hearted. Too many to list.
