Leo is in psychotherapy. the therapist tells leo to recall the recurring dream he's been having and to say whatever comes to his mind, regardless of how threatening or troubling it may seem. the aim of this process is to unlock the meaning of leo's dream. leo's therapist is most likely to be employing therapy

This act is an example of psychodynamic therapy for it will reveal the thoughts of the person in an unconscious state. These will tell things that he does not want to know by others or how he perceive things without stopping himself because it is involuntarily happening on its own. This also supports and helps alleviate psychic tension in which a person could experience.

The person who utilize the progression principle will keep adding the difficulty of the exercise that he's doing, while the person who does not, will only stay stagnant.  the person that utilize progression principle, will get a stronger endurance because now his body is conditioned to do harsher routines.{the answer was already on verified)