"How long will you be gone?"
"It could be one year, three years, five years, ten years, or it could be a lifetime."
"What on earth are you going to do? Can't you tell me at all? Is it dangerous?"
"Of course it's not dangerous."
"What is that family notification letter?"
"Get married... In a few years. I have to bring her up."
"Uncle, do you give me sugar when you draw blood? Just like my brother."
"He said he didn't want you to come, but we feel that at such an important moment, as the most important person in his life, you should come."
Purpose: Dedicated to those heroes who stay away from home for scientific research for the country