My French-Indian 10 year old boy was having breakfast with a schoolmate (100% Goan):

• Him: Berk, I don't like potato bhaji
• The friend: Eat no! Aren't you Goan?
• Him: No, I'm not Goan!
• The friend (looks at me, sitting next to my boy): He is not Goan?
• The friend (to my boy): But then what are you??
• Him: ...

So much for writing books on this topic!