Now the question is pretty obvious.
What FPS did you first play and how did you get started, did a friend get you into it, did you get into it on your own or was it all by accident? For me one my real life friends Mike (Eclipse) is a insane 1.6 player. I went to his house one day and he asked if I wanted to play and I immediately loved it. I played 1.6 for 2 years and it was great. I later then converted to CSS because most of my buds were playing it back then. I still play with him occasionally. I might have converted back but Steamgamers has always kept me playing CSS.