He has been playing the immersive game for so long that he sometimes forgets which side is real.
When pouring water, I habitually put my index finger into the mouth of the cup to measure the water level with my fingertips. When going up and down the steps, I subconsciously calculate the series. When asked for directions by a new student, I directly take out a pen and paper. Sometimes, when I want to leave my seat, I will directly reach for the roller next to the chair.
Such a double life sometimes makes him unable to tell whether he is still a healthy person, or it makes him question why he still needs to live a healthy and complete life.