Ask him to explain how he plans to reconcile protectionist policies during a wave of globalization . Spend the second half hour talking about the economic argument for climate change policy . <| sep |> After lifting Luke ' s Xwing , Yoda took a deep breath and leaned on his staff . I think that ' s an indication that he was tired , meaning he depleted some energy store , and calories is as good a source as any . The whole universe mostly noncanon is full of instances of Force users breathing heavily or sweating or needing to lie down after major Force feats . Not saying that if you use the Force to move a heavy box that you ' d burn as many calories as if you ' d picked it up with your arms , but asking the Force to move the box seems to require some kind of physical effort , and that implies burning calories .