It's almost too much, the rush of images and feelings, seeing it all as it happened for Jenny. He's so overwhelmed he almost lets go of Jack's hand, but some tiny part of his brain realizes that if he does, it will break their connection in the real world. And this can't fail, it can't. "Jenny, it's over, it's all over, I came for you..." he's straining over the screaming, and he feels like his head might explode, "Just reach out, take my hand! This isn't real, it's all over, you're going to be fine..."