The deep, personal material of the latter half of your life is your children. You can write about your parents when they're gone, but your children are still going to be here, and you're going to want them to come and visit you in the nursing home.
世界上充满了显而易见的事物，却没有人注意到。
A good novel tells us the truth about its characters; a great novel tells us the truth about ourselves.