It’s common knowledge that Michelangelo loathed the commission to paint the Sistine Chapel ceiling in the Vatican. In a poem written for a friend in 1509, the tempestuous artist griped about the long hours laying on his back: “My brush, above me all the time, dribbles paint so my face makes a fine floor for droppings!”
https://www.cnn.com/style/article/artists-self-portraits-artsy/index.html