Delusional disorder is sometimes confused with schizophrenia as both share delusions as a characteristic. What distinguishes delusional disorder is the presence of plausible delusions, as opposed to the more bizarre delusions that may accompany schizophrenia. Delusions are generally thought o...



I think it's too soon to assume delusional disorder without a thorough assessment. Some of what you say could fall within parameters of normality. The difficult issue here is getting someone to sign up to the idea that there may be a problem. Many people hold unusual beliefs but function perfectly well in society. If someone cannot be persuaded and they are no danger to themselves or anyone else, there is very little you can do.
If your boyfriend is assessed and if delusional disorder is the diagnosis, treatment as I mentioned in the sharepost, is likely to revolve around CBT.