"Let life be beautiful like summer flowers and death like autumn leaves."
—— Tagore's "Birds"
Just write and play, the logic can only be self-consistent. The story is youthful and painful.
Lightning protection:
Gong and Shou (let's put it this way) have a crush on each other but are not together. Shou has a mental illness. The ending is
Purpose: Anti-campus violence, anti-domestic violence, pursuit of individual freedom