The region is also an extremely healthy place to live.The metro area has a high proportion of population age 65 and older, and the age-adjusted health status of that population is among the best in the United States.
Both San Francisco and its huge woodsy park, the Presidio, have been honored as bicycle-friendly locales.
San Francisco's universities are yet one more place for older singles to meet up.
The city has a diverse and tolerant population, with a strong gay and lesbian community and more than 100 distinct neighborhoods. In 2010, Foreign Policy magazine ranked San Francisco as the world's 12th most important city.
San Francisco also ranked ninth on the 2011 list of America's Most Literate Cities.
The Arnold Arboretum at Harvard is one of the finest in the world.
The Massachusetts Audubon Society's Boston Nature Center has opened on the grounds of the old Boston State Hospital.Rates of smoking and obesity are low, so the metro area has low mortality from heart disease and low rates of hypertension.Because traffic congestion is a serious problem in the city, many locals use the region's excellent subway system or walk or bicycle to work.Boston's coastal location means it does get severe storms, including nor'easters, blizzards and the occasional hurricane.That's when it's time to curl up on the couch with that special someone and watch the weather roll in.San Francisco State University has an Osher Lifelong Learning Institute.