A similar expression “damaged goods.” A man with a heart that has either been broken many times or does the breaking is hard to love, not because it is difficult, but because things are always short.

Katy never expected a whirlwind romance, just as John never predicted to actually fall in love, but once hooked, she can forever juggle the coals.

Love cannot be contained, and the expression of those emotions is nearly impossible to avoid. Even if you have something new, something amazing, what happened in the past can and will continue to drive your heart.

This oddly parallels the middle of The Notebook, where Noah and Allie continue to dream of each other despite “moving on.” Eventually, love takes over and finds a way.

Mayer is right: some of the most interesting perspectives to ever come out of music came from those with the bluest of hearts. From country legends like Hank Williams and Muddy Waters to Bob Dylan, Nirvana, and even Shyne, a broken reality and past issues can produce people with ideas and visions unlike any other. Likewise, the blue heart is the one with the most definition, faceted and contrasted constantly.

“Contraindication” is a term of art in the medical community. According to Medline Plus:

A contraindication is a specific situation in which a drug, procedure, or surgery should not be used because it may be harmful to the patient.

Here, Stokes' sporadic missing of medication doses before his transplant made him too much of a risk to receive a donor heart, since competition for said hearts is stiff. If the hospital determines that Stokes cannot be trusted to take medication regularly, they indicate that he is too much of a risk to survive with a rare donor heart.

A classic hook from the jazz standard “Since I Fell For You,” performed by everyone from Nina Simone to Bonnie Raitt. This sample features a performence by Lenny Welch.

Arctic ice quite literally drifts apart as it breaks – ice melts as it travels south, forming smaller and smaller sheets as it gets warmer. Just like ice floes break apart, the singer’s love inevitably splits and shrinks, fading into the distance.