In this way,

while absorbing thoughts from the outside world, it also gradually adapted to the environment in my mind.

After a certain period of time, I gradually developed a certain impression of its erratic presence. Based on my past human experience, the impression gradually solidified into belief. Once a belief is formed, it is hard to overwrite.

This is a good thing. At least now Virus is no longer a hollow name without references. Its growing picture gives me assurance: My brain functions well and is capable of generating thoughts.