One week in San Francisco

I arrived in San Francisco yesterday for one week. This is my third time in the Bay area, and so I have hit most of the major sites already. People keep asking me what I intend to do this time around. And I wish I could tell them that I had some grand purpose - I wish I could show them some impressive itinerary. But in reality, I am here simply to have the type of vacation that I rarely allow myself to enjoy. It's a week to eat, drink and practice yoga.