“He thinks of his grief over his sister as an entity that is horribly and painfully attached to him, the way a jellyfish might adhere to your skin or a goitre or an abscess. He pictures it as viscid, amorphous, spiked, hideous to behold. He finds it unbelievable that no one else can see it. Don’t mind that, he would say, it’s just my grief. Please ignore it and carry on with what you were saying.”