From Wiktionary, the free dictionary
not know one is born
- 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!"
