How long I can live without water?

A short time, rather than airless anyway.
 Without air, water and food man can not live too long. As time, the air is first we need, then water and then food.
Without water it can live up to 40 days according to the Bible: Jesus, Moses - classic examples. But depends on many factors.
 For example climate. In desert, in full sun, may need only one day to destroy a man. And of course, depends on the lifestyle of everyone. A man who smoke and drink alcohol more will be much faster killed by thirst