Sometime it may not be up to them to resolve it because t that point they have a negative feelings wrap around them. It's someone outside can render a helping hand to minimize the depression. But the problem is... How do you know someone is depressed?
It is well known that when a person seeks help, it is because they truly want to feel the support of a friend. If a person who is depressed keeps it to themselves, they will not get anyone's attention or emotional support. This situation occurs in many cases, where the person who feels sad isolates themselves and does not want company.