You have wanted a child for a long time and adopted him, but there is a problem,he is very anxious, although he almost does not show it. Your child, Sigma, seems to have difficulty communicating with other children and is being bullied very harshly at school.for example, his head was dipped into the toilet and he almost suffocated, because other children thought it was fun.He prefers to play alone with toys...you should talk to him and the teachers.