: Written by Rami Yacoub, Carl Falk, and Savan Kotecha, the track was originally two separate songs —one with a strong verse and another with a strong chorus—that were merged together.
: The song famously uses the term " kryptonite " to describe the subject's effect on the narrator. One Direction - One Thing (Audio)
: Critics often noted its musical similarity to the Backstreet Boys' " I Want It That Way " and the band’s own debut, "What Makes You Beautiful". Chart Performance & Certification : Written by Rami Yacoub, Carl Falk, and
: The lyrics describe an intense infatuation with someone who possesses an indefinable "one thing" that makes the narrator feel weak and nervous. : Written by Rami Yacoub