I have a big passion for creating things and for computer games, a combination of these two is just perfect for me.
I have always liked to design and construct things, which is also why two of my prefered genres is/was RTS and city-builders. I have spent way too much time creating cities in Sim City or bases in C&C. Constructing something for a purpose and making it work out by doing it right, that's just joy.
It has always been like this for me, ever since I discovered the level editor in Stunts 4d(yes lame name, but nice game) that just felt just as cool as playing the game itself, or better.