There is something intrinsically wrong about letters. For one thing they are not instantaneous. ... Nor is this the only trouble about letters. They do not arrive often enough. A letter which has been passionately awaited should be immediately supplemented by another one, to counteract the feeling of flatness that comes upon us when the agonizing delights of anticipation have been replaced by the colder flood of fulfilment. - Vita Sackville-West