Citations:love muscle

Noun: "(idiomatic) the heart"

 * 2006 — Jon Gordon, The 10-Minute Energy Solution, G. P. Putnam's Sons (2006), ISBN 9780399153112, page 201:
 * In addition to building our trust muscles, we must also build our love muscle, the heart.
 * 2010 — Jacob Glass, The Crabby Angels Chronicles: Radical Guidance on Love, Healing, Inner Peace and Creating Miracles in Everyday Life, iUniverse (2010), ISBN 9781450206037, page 255:
 * This sport is about exercising the heart — the love muscle.
 * 2012 — "Eat Your Heart Out", San Diego Magazine, February 2012:
 * Americans fear the love muscle. Not so in Peru, where grilled beef heart is the unofficial state scent.