The standing figure is said to represent Peter Schlesinger, whom the artist met in 1966, when the younger man was a student in one of Hockney’s art classes at UCLA. For the next five years, according to Christie’s, he was both “the great love of Hockney’s life” and one of his favorite models.
https://www.reviewjournal.com/news/nation-and-world/painting-by-british-artist-hockney-expected-to-fetch-80m/
Payoff?