Lennon was inspired to write the song after undergoing primal therapy with Arthur Janov, originally at his home at Tittenhurst Park and then at the Primal Institute, California, where he remained for four months.
John terinspirasi untuk menulis lagu setelah melakukan terapi primal dengan Dr Arthur Janov pada awalnya di Tittenhurst Park dan kemudian di Primal Institute, California, dimana mereka tetap berada di sana untuk 4 bulan.