I think that the reflexive Self-concept will help not only to explain the functioning of the inner world of man, but also to adequately understand the age characteristics.
Thank you! But I understand the reflection in the ontological vein as G. Hegel understood it, but with a psychological bias and, accordingly, a mechanism. I add my article on reflection.
The general idea can be understood using Google or another translator. In my approach to reflection, it includes: affective predisposition (E. Husserl), intentionality and divide or frontier (J. Spencer Brown). In a broad sense, reflection performs the main function of collecting and binding the Self.