Verb
have the heart (third-person singular simple present has the heart, present participle having the heart, simple past and past participle had the heart)
(especially negative) to have the capacity (to do something); to be able to bring oneself to do something, especially something cruel or hardhearted
I didn't have the heart to tell him we wouldn't ever come back to see him.
I have the heart of a child. I keep it in a jar on my shelf. Robert Bloch
I have nothing but contempt for you idiotic chosen ones who have the heart to rejoice when there are the damned in Hell and the poor on earth; as for me, I am on the side of men and I will not leave it. Jean-Paul Sartre
I'm a success today because I had a friend who believed in me and I didn't have the heart to let him down. Abraham Lincoln
I know I have the body of a weak and feeble woman, but I have the heart and stomach of a king, and of a king of England too. Elizabeth I of England
People think that I must be a very strange person. This is not correct. I have the heart of a small boy. It is in a glass jar on my desk. Stephen King
I have the heart and what its got to be champion and I did it, I proved it tonight again. Arturo Gatti