How much interaction with a robot is socially acceptable?

We have a tall order when it comes to dreaming up a trustworthy care robot. A robot could clean the house, find and fetch objects, and even keep seniors company. But if we were to have robots that can do so many of the daily care tasks for seniors, is there a possibility for seniors to have too much interaction with the robot? Is there such a thing as an acceptable amount of interaction with a care robot?

Let us know what you think as we continue our conversation about care robots with our polls here.