Type 1 diabetes: Frequent urination, unusual thirst, extreme hunger, unusual weight loss, extreme fatigue, irritability. Type 2 diabetes: Any of the type 1 symptoms frequent infections, blurred vision, cuts or bruises, tingling or numbness in the hands or feet, recurring skin, gum, or bladder infections.
Sociopaths are often unable to control their behavior and their expressions of annoyance, irritability and threats when faced with situations not appealing to them and they often tend to resort to threats, aggression and verbal abuse.
According to MedlinePlus, a service of the U.S. National Library of Medicine, a sociopath, otherwise known as someone with antisocial personality disorder (ASPD), displays long-term problems with behaviors---often criminal in nature---that manipulate, exploit or violate the rights of others..