Textbook vs Real
Textbook식사하셨습니까?sik-sa-ha-syeot-seum-ni-kka
Real밥 먹었어?bap meog-eoss-eo
Why Koreans say it this way
The #1 Korean greeting that textbooks never teach properly. "Have you eaten?" IS "How are you?" in Korean culture. 밥 먹었어 (casual) is what friends say. 식사하셨습니까 is what a hotel concierge says.
From: K-Drama Common