Any people feel lonely sometimes.It usually lasts only a short while.
For some people, though, loneliness can last for years.Researchers say there are three types of loneliness.
The first kind of loneliness is temporary. This is the most common type.
It usually disappears quickly and does not require any special attention. The second kind, situational loneliness is a natural result of a particular situation,for example, a family problem, the death of a friend, etc.