Teach him how the custom works (“how are you” doesn’t mean much more than “hello”), not just a rote response (when someone says “how are you”, answer “how are you”).
ETA: And when he asks why, don’t say “because it’s polite”, which is like explaining that things fall down because of gravity.
Teach him how the custom works (“how are you” doesn’t mean much more than “hello”), not just a rote response (when someone says “how are you”, answer “how are you”).
ETA: And when he asks why, don’t say “because it’s polite”, which is like explaining that things fall down because of gravity.