You know why at the end of your life should you assemble thousands of pages of 'Why am I so sad why am I so depressed?' Instead assemble thousands of pages of why you're so content.
When I'm filming survival requires movement. You need your energy and you've got to eat the bad stuff and survival food is rarely pretty but you kind of do it. I get in that zone and I eat the nasty stuff but I'm not like that when I'm back home.
