Meaning of "xx" by Hayley Kiyoko

The repetition of the question "Why'd you do that?" in the lyrics suggests a sense of disbelief and betrayal towards someone's unexpected or hurtful actions. The frustration and confusion expressed in the lyrics hint at the emotional turmoil caused by the actions of the person being addressed. The speaker seems to be grappling with trying to understand the reasons behind the actions, but ultimately feels a deep sense of disappointment and hurt. The repetition of the question highlights the obsessive nature of trying to make sense of an inexplicable situation, showcasing a cycle of questioning and processing emotions.