The larch type sees others around him as being better and more successful then they are. They don't really expect to succeed in the task they have taken on, whether it be a project, school exam, asking for a pay rise or even getting a job.
It is an excellent remedy for those who are facing a task they feel is beyond them.
Also good for those with low self esteem, who feel that they are simply not good enough or clever enough to achieve a goal or that others will not deem them worthy of any time and effort.