Address the issue raised and do not use suppostion to divert from the original objection. I think some of the other contributer already stated the fallacie of this kaffirs objection. So why are you talking about a physician friend. Why not approach Hamza Trotsy or Adam Deen who can articulte this in english. They are easily approachable. By the way Are you a muslim or just pretending to be one. If you are not, then this highlights onece again the nature of kuffur (who covers the truth). Allahualam