The perception of San Francisco as a gay-friendly city helped it earn the title America’s happiest city. (Terri Hodges/Flickr)

The perception of San Francisco as a gay-friendly city helped it earn the title America's happiest city. (Terri Hodges/Flickr)

Californians increasingly see gay relationships as normal. (Terri Hodges/Flickr)

The perception of San Francisco as a gay-friendly city helped it earn the title America’s happiest city. (Terri Hodges/Flickr)