There are receptors to these molecules in your immune system, in your gut and in your heart. So when you say, 'I have a gut feeling' or 'my heart is sad' or 'I am bursting with joy,' you're not speaking metaphorically. You're speaking literally.
I would hope to inspire in my listeners a feeling of freedom - of speech, thought and political activity.
I go to the gym in the morning to warm up, and then I go to the mountain and train. Then I come home and go to the gym again to recover. But on travel days, you get pretty much no physical exertion.
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