[ After a moment's consideration, he decides to put this one on a filter. His master's safety is, after all, his largest concern and if his personal physician turns out to be someone of ill-repute, well... ]

There is something rather amiss about the doctor. However, he has yet to display any outward hostilities toward my master.

Truth be told, they seem to be getting along quite well. But this concerns me. What would you warn me against? This is a matter of utmost importance as my master's health and well-being have been entrusted to him.