The DFS object stores the DFS metadata for a domain-based namespace. The DFS object is created in Active Directory when you create a domain-based root, and Active Directory replicates the entire DFS object to all domain controllers in a domain.
Perhaps you have been diagnosed with major depression, and that's made you question why some people get depressed while others don't. Depression is an extremely complex disease. It occurs for a variety of reasons. Some people experience depression during a serious medical illness.
Anxiety refers to feelings of worry, nervousness, or a sense of apprehension, typically about an upcoming event where the outcome is uncertain, or where the person feels he or she might not be up to the task. Anxiety is commonly experienced in high pressure situations, for example, prior to a making a speech or sitting an exam.