actually you can,because remember we used to not have them,but people get addicted.
i cant live without you
you cant
i cant live without u
Without a computer you cant do much. You can work without internet however. But, without a computer you must keep everything on paper.
you cant
They can and did live quite happily without it.
you cant live without water or air
They can.
computer can do any work but without help of human computers cant do anything
insulin
because
Gravity