Question: Why didn't Buttercup leave Humperdinck's castle and search for Westley? When Westley and her are surrounded in the woods by Humperdinck, Rugen and the soldiers, she only agrees to return with Humperdinck if they spare Westley's life and asks that they return him to his ship etc, and then after Humperdinck tells her he's going to send a messenger out to look for Westley, she asks him each day if they've heard word, to which he says no. So couldn't Buttercup have just left and looked for Westley herself? She is shown to be able to look out for herself, think on her feet and if she really wanted to find Westley again, she would have done everything in her power to search for him.
Question: Submitting as a question since it actually may explain something rather than a mistake: In the scene where Prince Humperdink throws the machine to maximum, note Westley's left hand. Did anyone else notice he appears to be holding the tubes attached to his abdominal area? Seems like an odd thing to do (or for the the Count to not notice). Initially I thought it was a production ad lib to keep the tubes from flailing around too much (to prevent damage to either the prop or Cary - or keep it from accidentally getting snagged by the nearby machinery). However, it also seemed to open the possibility that because he is holding the tube, it might be lessening the effect of the machine and may have contributed to the "mostly dead" status. He's holding the tube throughout the scene (not just for the shot where he is writhing).