They have what I called "logorrhea dementia," which is they talk so much they drive themselves insane.
Тэднийг би "хэт чалчих сэтгэцийн олдмол өвчин"-тэй гэдэг юм. Өөрсдийгөө солиортол хэтэрхий их чалчих өвчин.