You don't know. When I'm out there at night I feel close to my own body, I can feel my blood moving, my skin and fingernails, everything, it's like I'm full of electricity and I'm glowing in the dark - I'm on fire almost - I'm burning away into nothing - but it doesn't matter because I know exactly who I am.
Tim O'Brien (2009). “The Things They Carried”, p.106, Houghton Mifflin Harcourt