As one grows older, they become wiser and better at their crafts. This is especially true for writers, who often look back at their earlier books and wish they could shred them. Age is a valuable asset in a vocation like writing, as it brings wisdom and perspective. The speaker believes that the writer in question is writing better than ever and should feel proud of their work. Despite the pain that comes with creativity, it is worth it because art is a receipt for that pain. The speaker expresses gratitude and believes that age only makes someone better at what they do.