The Other Side and the husks have the task of expanding a person’s desire to receive, turning it into something exaggerated and boundless. This creates for a person all of the material he needs to work on and repair.
The second stage involves the years after thirteen. At that time, there is a “point” [nekuda] in the heart, and [that point] is the secret of the “back” [aḥorayim] of the sacred soul. That point is enclothed in the inborn desire to receive, but it only awakens after the age of thirteen (for the reasons discussed above). At that time, it [the point] begins to enter into the territory of the system of the worlds of sanctity, at least to the extent that the person is involved in Torah and mitzvot.