heartbreak

[ hahrt-breyk ]

/ ˈhɑrtˌbreɪk /

great sorrow, grief, or anguish.

Origin of heartbreak

First recorded in 1575–85; heart + break

Indeed, from these posts, the shooting seems to born out of that heartbreak.

The Homecoming Prince Who Tweeted His Killing Spree |Brandy Zadrozny |October 24, 2014 |DAILY BEAST
Amia, Louie's temporary girlfriend, is gone, leaving him to wallow in his heartbreak—at least for a few scenes.

Louie Attempts Rape (and Explores the ‘Nice Guy’ Phenomenon) |Amy Zimmerman |June 3, 2014 |DAILY BEAST
But, at least with his new disco campaign ad, he'll be channeling Kanye West by adding some 808s to his likely heartbreak tonight.

Texas's Disco Candidate For Lieutenant Governor |Ben Jacobs |May 27, 2014 |DAILY BEAST
The stages of heartbreak are similar to the recognized stages of bereavement: shock, denial, grief, anger, finally acceptance.

Psychologists View Both Divorce and Marriage as Major Life Stresses |Emma Woolf |May 12, 2014 |DAILY BEAST

Many more died on uninhabited islands, victims of tropical diseases, hunger and heartbreak.

Remembering the Fall of Saigon and Vietnam’s Mass ‘Boat People’ Exodus |Katie Baker |April 30, 2014 |DAILY BEAST
David M. Osborne backed a new self-binder, lost a million, and died of heartbreak.

The Romance of the Reaper |Herbert Newton Casson
He tried to mask his heartbreak by going about as before and appearing often in public.

Superwomen |Albert Payson Terhune
This broke her down again, and there was another scene that was full of heartbreak.

A Connecticut Yankee in King Arthur's Court, Complete |Mark Twain (Samuel Clemens)
I could have faced pain and anxiety and heartbreak undauntedly, but I could not face that terrible, yawning, barren emptiness.

Lucy Maud Montgomery Short Stories, 1909 to 1922 |Lucy Maud Montgomery
"No; nor 'heartbreak' either," said the doctor, helping himself to one of the colonel's cigars.

The Desert and The Sown |Mary Hallock Foote

heartbreak

/ (ˈhɑːtˌbreɪk) /

intense and overwhelming grief, esp through disappointment in love