The hypothetical situation is this, starting right now: if you leave your house/apartment in the next 30 days you will die. Electricity and water will be turned off.
Water will be the big issue, you will need 1 liter or 0,25 gallon a day to survive. You will probably survive without eating but it would not be pleasant. How would you cope and what would you do?
It's a very difficult thing
You can not live without water and food
We have water and food and we can not live
What will we do without them?