not know one is born

English edit

To be spoiled; to have an easy life without appreciating it.
- 1949, Punch‎^[1], volume 217:
  "The trouble with workers to-day," he said, "is that they don't know they're born."
- 2013, Lisa Tuttle, Panther in Argyll‎^[2]:
  "One bad night and you think you're starving! You don't know you're born!"