Warm the cockles of someone's heart

Here a fresh-looking barmaid serves them each with a glass of early purl as they stand before the fire, coachman and guard exchanging business remarks. The purl warms the cockles of Tom's heart and makes him cough.

Well, Aby; here I am, as large as life, but as cold as death. Ugh; what an affair that coach is! Fanny, my best of darlings, give me a drop of something that's best for warming the cockles of an old man's heart.

My sandwiches had gone the way of all good sandwiches, and no wine remained to warm the cockles of my heart, for my flask had long been emptied.

Novv, although he ſays in his Preface, that he vvould not much boaſt of convincing the vvorld, hovv much I vvas miſtaken in vvhat I undertook; yet, I am confident of it, that this Contrivance of his did invvardly as much rejoyce the Cockles of his heart, as he phanſies, that vvhat I vvrit did ſometimes much tickle my Spleen.

"You mean that great possessions warm the cockles of your heart," I said; "that's because you're all soul. As for me, I must warm my hands in the tea-cozy before I can carve the eggs."

"Well, they may laugh at us up here for our old-fashioned notions of loyalty, discipline and obedience, but when one finds it I must say it warms the cockles of the heart. Don't you agree with me, Hugh? I say it warms the cockles of the heart." / "Oh, very much so," Kilwhillie agreed. The cockles of his own heart were in a responsive condition to warmth that evening […]

"Surname?" / "Blagodarev." / A handy name, easy to get hold of, and the ready way he gave it warmed the cockles of the heart.