From the start of her career, Halsey has been open about her health issues. In 2022, the singer was diagnosed with
Ehlers–Danlos syndrome,
Sjögren syndrome,
mast cell activation syndrome, and POTS (
postural orthostatic tachycardia syndrome). The same year, Halsey was diagnosed with
lupus and T-cell disorder. On April 15, 2023,
Variety announced that the singer had parted ways with
Capitol Records. On June 14, 2023, it reported that Halsey had signed to
Columbia Records. On September 22, 2023, Halsey teased upcoming music with an Instagram post, stating she's "splitting [herself] in two every day" to give her fans "deepest wounds" and "a handful of perfect joys". On January 27, 2024, the singer shared a link to a website called "For My Last Trick", containing various
Easter eggs and details related to her new album. In March, Halsey posted a sinppet of new music and revealed that she was in the studio with an American producer
Alex G. On May 30, Halsey teased "The End" on the "For My Last Trick" website with a sticker that portrayed a woman getting an
X-ray of her heart as a doctor looks it over. The song was announced on the same website on June 3, and released the following day. In conjunction with the songs's release, the singer made donations to
Lupus Research Alliance and
The Leukemia & Lymphoma Society. ==Composition==