Quiet, as he works on finishing the sketch. He doesn't know what the answer to this is. He could tell Magnus that Alex loves him as much as he loves her, but he doesn't know whether that's true. He only knows Magnus, and the steadfastness of his love. He knows that Magnus has changed, and that he likes the person Magnus is, but he doesn't know what Alex would think of him. He doesn't know whether it would be all right. So he doesn't say anything like that. He just listens.