Have a heart to help him push his cart.
"Have a heart" could mean "kindly", "please", etc.
take to heart
Sarah loved the dog with all her heart.
Exercise regularly for the better health of your heart.
A congenital heart defect is a problem with the structure of the heart.
The way to a man's heart is though his stomach.
Aerobic exercise is good for the heart.
My heart aches for you.
He miraculously survived his heart surgery.
Strenuous exercise is good for your heart.
My heart, muscles,and feet are subcutaneous.
He is benevolent with a heart of gold. - She is beautiful and she has a heart of gold.
The state of your heart will worsen if you continue smoking.