Of anything she could have said, there were few things that could have had more of an effect on him. 'Jareth lived a long time.' Long time. A long time. Peter shut his eyes, squeezing them shut even as he hugged her tighter to him. He didn't know how to respond to that. He had no frame of reference. Jareth's power had kept him alive for yours uncounted. And now that power could be bestowed on Sarah.
He couldn't speak. Wouldn't speak. This was her choice to make, and he couldn't take it away from her. He could help her see both sides, but he wouldn't cast a vote. Not even for this.
His muscles were locked so tight, they were nearly trembling.