Puth described the "too-loud" guitars as representing an overactive brain that can't sleep due to racing thoughts. Musical Composition
The song acts as a message to himself to "quiet his mind" and hide his true intentions to avoid being hurt again. Charlie Puth - Charlie Be Quiet! (Lyrics)
The lyrics "I'm not making the same mistake / Won't be putting my heart on display" refer to past relationship trauma that has made him hesitant to be vulnerable. Puth described the "too-loud" guitars as representing an