ART interview by DONATIEN GRAU portrait by JEAN-PIERRE GONÇALVES DE LIMA “The only things that matter in life are food and love; in that order… I truly believe this, and for me, the basis of art is love.” DONATIEN GRAU — You have depicted people you love: friends, lovers… How different is it to depict them than to paint nature? DAVID HOCKNEY — All painting is difficult, but if you get a branch of a tree a little off, you don’t notice as much as getting a nose a bit off in a portrait. But I give the same concentration to painting nature as I do to portraits. DONATIEN GRAU — How does your love of life impact your work? DAVID HOCKNEY — I don’t really know. Isn’t it for others to decide this? DONATIEN GRAU — You sign your letters “love life.” Why is that? DAVID HOCKNEY — Love…