emotional illness3. Damaging yourself, for example cutting or burning up yourself. 4. suicide tries and suicidal thoughts. 5. Times when you suffer weird or lose a sense of reality (psychosis). 6. It's simple to confuse this disorder with other intellectual ailments. And they may overlap. So if you think that you or some person you know often have borderline personality disorder, see a doctor of medicine. Don't have a try to make a diagnosis yourself.