She protested that she hadn't known it would create a paradox, of course she hadn't known, she'd just really wanted that materia and she hadn't thought there would be anything wrong with going back in time to steal it and she hadn't realised that they wouldn't be able to defeat Sephiroth without it - well, they should have been able to defeat Sephiroth without it, anyway, and if the world was falling apart then it was hardly her fault, was it?