Had a GameCube at launch, which was my first launch console. I was only 12, but I vehemently hated Xbox.
Less than a year after Xbox launched, my parents were buying a treadmill from a guy in southwest Florida who was about to move to Canada. He offered to throw in the Xbox (w/ Halo and Dead or Alive) if they bought it. They bought it, but he backed out of the Xbox deal at the last second.
So I called him up, with my parent's permission, and offered him all the money I had to buy the Xbox from him. I had $50 (reserved for Metroid Prime). He took the offer (probably out of pity), and that was that.
I didn't know much about Halo, but it was my first twin stick shooter, and that blew my mind when I figured out how to play it. Thought that The Silent Cartographer was the first level for the longest time because that's where the guy left off his playthrough.
Love Xbox, and despite the controversy of RROD and the blunder of the initial Xbox One marketing, they've been a staple on this hobby for (almost) 15 years for me.
