The WTS just loves to make up words and phrases.  This, of course, is perfectly understandable since  they make up everything else, too. To the outside (read "real") world these words seem curious and  frankly, stupid.  When they don't make up words, Dubs use "un-words", such as "happifying."   I just can't imagine the all-knowing Creator of the Universe "inspiring" his only "chosen" earthly  spokesmen to use really, really dumb words in his "mouthpiece" journal, the Watchtower magazine.

Hearts would be pretty cool and versatile things if we could believe what is said about them is real.

You can look deep inside them for answers.

They can be bored: "he just doesn't have his heart in it."

They can be made of gold, made of stone, be hard, be soft, be warm, be happy, be sad, be in the right place, be in the wrong place, throb, pound, can be good, be bad, be brave, be chicken, can soar, be stopped, wander, roam, cheat, be honest, be broken, melted, mended, and opened up.

Hearts are implanted deep in our bodies and thus are very personal. No one  can judge them.  Unless you are the Watchtower Printing Corporation, that is. They say they don't judge people's hearts, but they lie.  They do it all the time.  If someone doesn't go along with the Watchtower Corporation's huge lists of rules and regulations, they are judged as "not having the right heart condition."