Key lyrics like "heart made of glass, my mind of stone" symbolize fragility and the emotional numbness that often accompanies mental health struggles. Commercial and Critical Reception
The song was co-written by Eilish, Khalid, and Eilish’s brother, Finneas , who also handled the production.
Following its feature on 13 Reasons Why , the song peaked at No. 79 on the Billboard Hot 100. It also ranked No. 17 on Australia's Triple J’s Hottest 100 for 2018.