I can provide some general information on this topic.
In the context of human psychology and mental health, it is not uncommon for individuals to experience delusions. Delusions are false beliefs that are firmly held despite clear evidence to the contrary. They can be a symptom of various mental health conditions, such as schizophrenia, bipolar disorder, or severe depression.
If someone is aware that their belief is a delusion but still can't stop believing it, it could be a complex psychological issue. This situation may arise due to the persistence and intensity of the delusional thought patterns, which can be challenging to control or dismiss even when one knows they are not based in reality.
If you or someone you know is struggling with such experiences, it is essential to seek help from a mental health professional. A trained therapist or psychiatrist can provide appropriate assessment, support, and treatment to address delusions and any underlying mental health concerns. They can also offer coping strategies and interventions to manage these thoughts effectively. Remember, seeking professional help is an essential step in dealing with mental health challenges and promoting overall well-being.