Who can teach me the way to see if I am possessed by a demon?

Whether you are evil can be concerned from several aspects:

One is your own behavior and emotions, to see if you can't control your emotions or make some abnormal actions involuntarily compared with the past.

Second, your mental and physical condition, observe whether you are full of spirit and energy, and whether your body is obviously different from usual.

Third, through a clearer environment, we can observe any changes in a person's skin color and face, such as yellowing, bluing, whitening and blackening. Observe whether there is a dark atmosphere in Tang Yin and Weird Department.

Fifth, your own rest and sleep, observe whether you can work and rest normally, whether night dreams increase obviously, or whether you often have strange and horrible feelings in your dreams.

If the above symptoms do not appear, it can be judged that there are no pathogenic factors.