What is a girl to do?

I had the experience today of being on the receiving end of a very vanilla request.

When my husb and i returned from shopping, and he was on his way to a meeting, he said he'd be in the mood for a quickie and invited me to take care of myself in the meantime. How does a submissive slut like me turn that into useable service? Should it matter? If i am a "toy", or an object to be used, should it matter to me how the work is presented to me?