Quote Originally Posted by Super Delete
Or did they? If the fayth could create an entire world, who's to say they couldn't create people and love and lives. I think it's quite possible that Tidus was a recreation of Shuyin and that all of it, Jecht, Tidus, their lives in Zanarkand and departure from it, were all created and willed by the fayth.
But the fayth didn't control Sin, and that's how Jecht and Tidus came to the real world.