Can't really remember well. But my mom said that I got my arm broken when I was 5/6, because of my stupid neighbor friend who pushed me while we were jumping on the bed. But I'm all good now.
Age five I think, I saw a fly and squished it with my toy baseball bat. Then the squishing bugs became a habit and I grew a hate for bugs living in my home. I'm not like that now though.
Your age when you found out who Chuck Norris is or what he looks like?
When I didn't realized I was watching an anime, 4 maybe. Shinchan, doraemon, that sort of stuff. When I discovered the endless possibility of anime and the limitation of my mere 1tb HD, 16 Your age when you tinkered with something and it didn't break