Usually in fiction either the first person or the third person is used. Rare is it that "you" is used, but it suddenly came to me that I should begin with the word "you." After getting the speaker right, the rest just fell into place.
一般人寫小說，不是用第一人稱，就是用第三人稱，很少人用「你」來寫，忽然有一天我突然想到應該用「你」字開頭，人稱對了，以下就開始順了。