"The morals we adopt are recipes for how to live, not how to die. When one's survival is at stake, morality takes a back seat until the threat has been nullified."
I think this is something too often forgot about morals. They exist to help foster a more enjoyable life experience and when you're confronted with a scenario where possible death is involved, morals aren't reasonable (so long as the reason is for Life, not against it.)
RE: How to Easily Answer Extreme Hypotheticals