The song was written mainly by McCartney, though John Lennon claimed in an interview with "Playboy" that his major contribution was the middle eight section ("A love like ours/Could never die/As long as I/Have you near me").
В одном из интервью журналу «Плэйбой» Леннон отметил, что его внесённый вклад в написание песни — средние восемь тактов («A love like ours/Could never die/As long as I/Have you near me»).