have a heart

Idioms  

1. Be merciful, show pity; also, be reasonable. For example, Have a heart—I can't pay you back until next month, or Have a heart and stop your arguing now. This expression is often put as an imperative, as in the examples. [c. 1900] Also see harden one's heart.

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Example Sentences

I was 83 percent sure that I was about to have a heart attack.

From Literature

In 100 or so talks I’ve given on happiness, I said, “While I have good reason to assume I will be healthy tomorrow, I do not expect to be. I may have a heart attack or discover a cancerous lump, or I may have a stroke, or some other life-threatening event or illness. As a result, I walk around every day with gratitude for my continued health.”

From The Wall Street Journal

Just like having high cholesterol doesn’t mean you will have a heart attack, having biomarkers like amyloid doesn’t mean you’re going to develop Alzheimer’s disease, he says.

From The Wall Street Journal

He does have a “Heart of Gold,” after all.

From Los Angeles Times

"I didn't know they were called panic attacks. I just thought I was perhaps going mad," she explains and remembers thinking: "Am I going to faint? Am I going to have a heart attack? Am I going to make a complete fool of myself in front of all of these people?"

From BBC