He realizes that, even after Robert, he never truly let himself be alone. Even here, on this trip: first Bastian, then Javier. Why this endless need for a man as a mirror? To see the Arthur Less reflected there? He is grieving, for sure—the loss of his lover, his career, his novel, his youth—so why not cover the mirrors, rend the fabric over his heart, and just let himself mourn? Perhaps he should try alone.