Perhaps, basic introductions with "Hi. My name is .... " "Who are you?" ... would have worked. Honestly, I have no idea ... but it seems based of their reactions, they didn't like the deep questions you were asking. Maybe we (or at least ... you) are not suppose to know these answers while we're alive and the way they chose to discourage you from asking these questions, is to present you their many scary faces. I'm only speculating at this point.