Recently, I found that my system tends to attract tech-savvy people, and they are mostly girls. I naturally like girls who have good grades, can code, and have clear logical thinking. Because I’ve never liked studying since I was young—scoring 16 in chemistry and 17 in physics—I believe that if I can master physics and chemistry, I can travel the world without fear. So I started avoiding wandering around early on—I’m afraid of losing...