Yes, there are limits to acceptable behavior, even here in the open-armed home of naked jogging, public floggings and all things boundary pushing.

Retired math teacher David Goldman and his husband, Michael Koehn, were sharing a pleasant alfresco moment at a public plaza in the heart of the Castro district this week, passing a slender joint between them (medicinal, of course), as Eric Anderson sunbathed one table over. Naked.