I've crossed back and forth in several ways...
When I was a kid, I ate up sci-fi and fantasy but pretty much moved past it by my mid-teens. Then after a coupla years outta the scifi/fantasy loop I got invited to play a DnD campaign a friend was dm'ing. That relit the flame. I played until I went to college, then never found a decent group of gamers again. I remembered the games fondly though.
Fast forward about 17, 18 years. My ex was getting heavily involved with Baldur's Gate, and I eventually became hooked too. I realised rather quickly that it was DnD, and to help understand the game again I rebought all the books. Became utterly addicted to NWN eventually.
The online gaming was cool, but it lacked the atmosphere, conviviality and one

ne friendships I knew in DnD. So I started haunting local game shops, and someone put me in touch with a local 'net forum. I posted looking for a game, and lo and behold who should be the first reply? Yeppers, my childhood buddy. So I'm playing again, and the guys and gal directed me here ;p.
Life can be so circular once you have been around a while.
(Edit - Ah yes, I see it now...Disable smilies ;p.)