Doesn't bother me in the slightest -- as others have said, what strangers think of me is of no consequence.

My only concern when being in public in Vegas (or any other city) with a provider is the small, nearly infinitesimal risk of running into someone from my hometown (i.e., someone who knows my wife!)

In 30 trips to Vegas, I've actually had those chance encounters twice -- once at McCarran, once in a casino.  Fortunately, I was solo on both occasions!!