When I came back, after all those stories about Hitler and his snub, I came back to my native country, and I could not ride in the front of the bus. I had to go to the back door. I couldn't live where I wanted. Now what's the difference?
Any survival guide will tell you, don't buy a pair of combat boots before any disaster. They'll tear your feet up. Or water. Don't bring water with you because it'll tire you out and you'll lose too much fluid. Bring a water pump.