The saying "My son, have you eaten?" is a common greeting, particularly in some Asian cultures, that goes beyond a literal inquiry about whether someone has consumed food. It's packed with cultural meaning and serves as a way to express care, concern, and affection.

Here are some things one can infer from this saying:

• A sign of care and concern: Asking about someone's well-being, starting with whether they've eaten, demonstrates a fundamental level of care. Food security is a basic need, and inquiring about it shows that the speaker is thinking about the person's welfare.
• A way to show affection: It can be a term of endearment, especially from an older person to a younger one. It's a way to connect and show warmth.
• A conversation starter: It can be a polite and familiar way to begin a conversation. It opens the door for further interaction and allows the speaker to gauge the other person's mood and situation.
• Cultural significance: In many cultures, food is closely tied to family, community, and well-being. The question reflects the importance of food in social interactions.
• Implied hospitality: In some contexts, it implies an offer of food or a willingness to share a meal. It can be an indirect way of extending hospitality.

Essentially, the phrase is more about expressing concern and connection than a genuine inquiry about one's eating habits. The intent is to convey a message of care, warmth, and social connection.