When my architecture spark first became lit

I remember when I was 10 years old and in fifth grade, I had the opportunity to view and review the plans to a house my parents were buying/had bought.
I think that might have been the first time I saw architectural plans.
Suddenly a light in my head clicked on, as I quickly realized that these 2D drawings represented 3D entities, and I could make myself visualize them!
My new hobby became: to plan out our house, houses I liked, houses we used to live in, hypothetical houses with and without gardens, houses for animals. I planned and built the FRC the next summer (Fish Recreation Center) in the mud of Ordovician metamorphic lakeshore. I loved how the flat metamorphics held the mud back from the fish chambers, so that perfectly clear water could be achieved after a while, and maintained. I thought that someday a horizontal metamorphic or igneous element in my house would make me feel good.
I have achieved the horizontal (but wavy) rock element! ;-)