 Pang published her memoir , Loving John , in 1983 . It was later updated and renamed John Lennon : The Lost Weekend . The original 500 @-@ page Loving John book focused mainly on Pang 's role on Lennon 's albums and sessions . It was edited down to 300 pages , concentrating mostly on the sensational aspects of their relationship . It also included postcards that Lennon had written to Pang during his travels throughout the world in the late ' 70s . Pang claims that she and Lennon remained lovers until 1977 , and stayed in contact until his death . 
