I think it is important to not let the "inner child" tyrannize the self with whims and self-defeating narratives. A well-balanced adult in charge will provide the awareness and understanding for the inner child, without allowing the later to run the show.I have an observation here; there used to be a lot of discussion in books and on here about the inner child. But I just don't understand the idea. How can there be an inner child in any case? For instance, I talk with my inner child, but I often wonder how crazy it is to be in that situation. I am 44 years old. How is a part of me completely unaffected by ageing and growth that it's still a child after four and a half decades? Drives me nuts trying to understand that, perhaps someone can enlighten me.
The recommended psychological books in this forum has being very helpful in that regard. The concept of "inner child" could be extrapolated for other concepts such as thinking fast and slow (System 1 and System 2). You can enrich your view of the inner child with "Healing Developmental Trauma" as well. The more knowledge and awareness, the better your perspective. It helps to be more response-able.
My 2 cents!