If you go at it with half a heart, it will show in the lackluster results, in the laggard way in which you reach the end.

FORBES: Robert Greene: How to Become the Master of Any Skill

Even those with half a heart dread delivering bad news.

FORBES: Magazine Article

His son Albert, who was born with half a heart, had open heart surgery when he was only seven days old and has received ongoing treatment at Glenfield Hospital.

BBC: Glenfield heart surgery e-petition exceeds target

Atrial fibrillation is the most common heart rhythm disturbance, with over half a million sufferers in the UK. It increases the risk of a person having a stroke by five times and doubles the risk of death.

BBC: Pioneering robotic arm operation at Glenfield Hospital

Another, devotedly in love with half-American Michelle, drops her immediately when his mother feigns a heart attack at her foreign unsuitability.

ECONOMIST: Saudi fiction

Real life is fascinating, and the real history of the Thirteenth Amendment is complex and compelling, but nobody should deceive himself into imagining that the full history of three-year constitutional battle can be turned into a two-and-a-half hour film that gets your heart pounding and fills your eyes with tears as this wonderful story does.

FORBES: In Lincoln (2012 Movie), Why Did Lincoln Rush The Vote On The 13th Amendment?

But they did find that people with anxiety had more than double the risk of heart disease and two-and-a-half times the risk of suffering a heart attack.

CNN: Study: Anxiety in youth linked to heart attacks later on