A Drop of Sweat Flowing from the Old Loess

What should I write? In fact, every time I pick up a pen and look at the proposition, I am always struggling with what to write. Confused about what to do? Should I write about a past period or this person? So I finally decided to write about the old man who I have a deep memory of, the one who grew up with me and will never be forgotten in New China, my closest relative...