Don't do that, that's a cop-out. Please answer the question directly. And, it's really not clear if everyone "knows better than that". Clearly state what is the

Don't do that, that's a cop-out. Please answer the question directly. And, it's really not clear if everyone "knows better than that". Clearly state what is the "better" explanation (seriously, I'd love to hear the explanation), don't suggest he needs coffee or whatever -- that adds absolutely nothing of value to the conversation.