Survival is key but hard choices often pervade our path.
Your running from zombies for days and are very tired, you hear a call for help from a young sounding woman very close to you. Being alone and not knowing when you could see another human again do you:
A. Run to the woman and attempt to save her?
B. Save yourself and hope there are others out there fairing better than her?
You find yourself tired alone and without water after being on the run for days. While trying to get out of your city you happen to pass a convenient store with it's lights flickering. Your common sense says to avoid it but your body is thirsting for more than fear. Do you:
A. Attempt to enter the store even though there may not only be Zombies but also angry people in there.
B. Tell yourself it's not safe enough and try to find another source of water.