Are you serious? Don't down play Sakura's intelligence dude.shikamaru is smarter then sakura. not to mention this is sakura's blood. IF she survives she is going to make a noise from the pain of her heart being stabbed(or move) she isnt just going to easily play dead, again IF she could regen her heart
sasori was different because she wasnt in any extreme pain. you trying to say she can walk that off like its nothing? the wank is real