My Heart is This: Tracey Emin on Painting By Martin GayfordThames & Hudson256 pages The Body That Keeps Painting At one point in My Heart is This, Tracey Emin says something that quietly shifts how you read the rest of the book. “Painting saved my life,” she tells Martin Gayford. It is the kind of sentence that might sound theatrical if it appeared on its own. But within the rhythm of their conversation, it doesn’t land that way. Emin says it while describing the period after her cancer diagnosis in 2020, when the routines that structure an artist’s life — the studio, the work, the ordinary sense of time passing…