[Harmless Teddy Bear]

Sure you can go for three weeks without food. If you want to destroy your health.

Three days without water will leave you with serious life time problems and three minutes without air will likely result in serious brain damage.

[Ladysmith]

Actually, each will leave you pretty much dead. The “three’s” are for extreme conditions: three minutes without air, three hours without shelter, three days without water, and three weeks without food.

[Kirkwood]

I had a friend who survived 5 days without water. Pretty amazing.