Oh don't worry, FFX-2 will have a certain person in the game if you do a something...hehe. It ties up the loose ends, and do you know the guy who says "do you want to hear about the shoopuf" he will.. well. lets save it for Chapter 5 shall we?

Final Fantasy X-2 FAQs - Final Fantasy X-2 Walkthroughs - Final Fantasy X-2 Guides