Hi there,
A detailed history and mental status examination is mandatory to come to the final diagnosis. You have some of the symptoms which point towards psychotic disorders.
The good point is that he knows that he has some mental illnesses. So compliance will be definitely likely to be good.
Next Steps
There is a need to take him to a mental health professional as early as possible. Early intervention is always better in any disorder. Both psychological and psychiatric medications are needed in this case.
Health Tips
Be positive about the response.Take the help of the mental health professional.