I Can Deliver Items to the Past

Xu Zhe discovered that he could deliver items to the past. His English was very poor, so... [You delivered an English learning tutorial to yourself eleven years ago. [When you were seven years old, you tore off English books one by one and folded them into paper airplanes - your origami skills improved. [You delivered a box of paint. [When you were seven years old, you used paint to paint the girl next door's face into a tabby cat—your ability to resist beatings improved. [You submitted a picture book. [You became interested in painting and spent part of your time catching shrimps on painting - your painting level has been improved. .... [The future will deliver a book to you - "Under One Person"] On this day, Xu Zhe received a comic from the future. From then on, he embarked on the road of comics. "Under One Person", "Fox Demon", "The Return of the Great Sage", "Nezha" and "White Snake" He led Guoman to the top step by step. … Xu Zhe is a warm-hearted person, but after seeing the talented female painter, he couldn't think about it and tried to persuade her to no avail. He decided to spread a little panic. He used the delivery system to imitate her parents' handwriting and wrote a letter to her ten years ago. … Wen Shiyu received a letter ten years late. Signed by her parents. She found that the letter was full of loopholes and was definitely not written by her parents. But when she asked an expert to identify it, judging from the age of the paper, it was indeed ten years old. With doubts, she investigated step by step and finally came to the conclusion: "He actually wrote this letter to himself ten years ago?"