Songfacts®:

• Blue is a very important color to Halsey. For instance, the setup for the singer's concerts features fluorescent blues drowning her during her performances. She sings here:
  
  His pills, his hands, his jeans
  And now I'm covered in the colors
  Pull apart at the seams
  And it's blue
  And it's blue
  
  Halsey explained to Complex: "It's just my creative color. It's like so many things at once. It's electric, and it's bright, but it's also calm. It's also ethereal. Blue is just an otherworldly color to me. Blue is the sky. Blue is the sea. Blue for me represents the unexplored territory."
• The smokily-lit video was directed by Tim Mattia. It was shot at a gothic-style house in Country Club Park, Los Angeles, which was previously used as the haunted mansion from the first season of American Horror Story.
  
  We see Halsey portraying a photography-loving, blonde-haired prep school student who is involved in a relationship with one of the football players, played by Teen Wolf star Tyler Posey. The actor explained in the behind the scenes video: "I am basically in love with Halsey and she has a crush on my dad, so it's like this love square, not quite a triangle, because her mom is involved as well. Everybody's just longing for somebody they can't have."
  
  Tim Mattia is best known for his work with rock acts including Young Guns ("Bones") and Pretty Reckless ("Going To Hell"), but he also collaborated with country star Sam Hunt on his "Take Your Time" clip.