Answer:
Generalized anxiety disorder (GAD)
Explanation:
GAD is a psychological disorder. It is consistent and excessive worry about a thing that is in actual is not up to that level to worry. These types of people are anticipatory worry about money, wealth work, and other familiar issues. These people seem extremely worried about an event but in actual, the event is not about to so much worry.
Thus in the above statement, Dianne is suffering from Generalized anxiety disorder.