Ann worried greatly about Richard because such contradictory aspects of the gifted were occasionally a prelude to delusional behavior.

In addition, he was a known methamphetamine addict, prone to delusional behavior.

Persistent themes include aging, delusional behavior, bad relationships, death, and the personification of inanimate objects.

Richard Dawkins argues that religious belief often involves delusional behavior.

In excess, it can lead to compulsive or delusional behavior.

Hamlet, Mr. Kornstein said, was the product of a dysfunctional family and had a flair for delusional behavior.

Now that he has begun to recover he is exhibiting delusional behavior.

Any more nuggets of wisdom about my delusional behavior?

Daru is often annoyed with Okabe's frequent delusional behavior.

Rapid relief of bizarre and delusional behavior.