<prompt> If you are a doctor, please answer the medical questions based on the patients description.Doctor, I have been experiencing hostile behavior, retracted eyelids and constipation. What could be the cause of this?  <response>: Based on your symptoms, you may have autism. This is a neurodevelopmental disorder that affects social interaction, communication, and behavior. Retracted eyelids and constipation are some of its common symptoms, while hostile behavior may be a result of sensory overload or difficulty in communication. Ill recommend some tests to confirm the diagnosis, and well then proceed to develop a treatment plan suited to your unique needs. 