"Good. It was always better to be cautious. There was nothing wrong with playing it safe at critical moments." You Deyi agreed. "But you can trust me and Yu Anbang, right?"
"Of course!"
"Then Yu Anbang and I can come help you when we have time," You Deyi said.
"How could I trouble you?" Song He asked, startled.
"Grandmaster You doesn't have much time, but I'll try to spare an hour every day to help you." Yu Anbang sounded completely at ease. He saw nothing inappropriate about a teacher assisting his student. "I happened to participate in the Biology Competition back then, so I have some foundation in biology. I'm also proficient with explosives."
"This..." Song He was overwhelmed by the favor.
"When Anbang helps you, you don't need to tell him too much. Just treat him as manual labor and have him scrub test tubes or whatever." You Deyi held a cigarette between his lips. "That way, it'll still be equivalent to you working alone. Only you will know the technical details of the Bio-Explosives."
"Teacher Yu, then... sorry for the trouble!" Song He said sheepishly.
"No trouble. I've gotten used to working overtime." Yu Anbang was completely at ease. "It's a deal. Leave the test-tube scrubbing to me."
You Deyi turned on the faucet, extinguished the cigarette he had smoked to the end, and threw it into the trash.
"All right, Song He, get some rest. Teacher Yu and I are going for a late-night snack." You Deyi walked to the door.
"Goodbye, Grandmaster! Goodbye, Teacher!" Song He walked them to the door.
The dormitory door closed.
Song He returned to his desk and opened the box full of letters.
There were quite a lot of them. He opened and read them one by one.
First was his