"Is this really necessary?" Luke asked, his cheeks a deep red from embarrassment. Durning a space battle Luke and Vader had both shot the other down. Vader of course had made it to Luke before he woke up. He had questioned Luke untill he discovered Luke was his son. Since Luke had no idea of the relationship between the two of them he has tried to runaway multiple times, but only succeeded in bruising his ribs, and accidentally cutting himself on the arm because of a sharp rock he had tripped over. Luke eyed Vader as he tied a wire around the binders on Luke's wrists then tied it to his belt.
(I thought of this and had to......)