Shrug, to be honest, we know nothing of what sakura was doing during the time that Naruto was looking for Tsunade. All we know of, even in the manga, is her relationship issues with Sasuke. If you look at how far sasuke and naruto have grown, it is not unreasonable (and welcome I might add), for sakura to get a bit of improvement. Who knows, this may be the forgotten sakura development arc [img]i/expressions/face-icon-small-tongue.gif[/img]