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 is a subjective sense of worry, apprehension, fear, and distress. Remember it is normal to have these sensations on occasion, but until they start interfering in your daily life, is when it could become a problem. Symptoms of anxiety result in fidgeting, muscle tension, sleeping problems, and headaches.