A delusion of grandeur is the fixed, false belief that one possesses superior qualities such as genius, fame, omnipotence, or wealth. It is most often a symptom of schizophrenia, but can also be a symptom found in psychotic or bipolar disorders, as well as dementia (such as Alzheimer's).
鉴于你的经历和年龄,觉着你可能是最后一种的早期。