I don't really know how to concisely describe what a "mindset" is for me. If I were to try, I'd say it's not any explicit thought(s); rather, a sort of an overarching tone that frames my moods.
Both my music library and older fragrances I wore are a trip back in time for me, and I know I'm not alone in that one. Some music albums throw me into some older mindset depending on where I was in life when I was introduced to them; the same, if not more so with different smells people wear nowadays.
What smells and sounds take you back? And where do they take you?
Are there any you still cling to or visit often? Perhaps you listen to or wear a fragrance now as a remembrance?