So please don't feel shy about signing up to do something new.

CNN: I'm running a marathon for Boston

Nearly a third of homeowners wished they knew more people in the neighborhood, the surveys found, so you are not alone if you feel a bit shy.

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"Some people who have been shy or lonely or feel less attractive discover they can socialise more successfully and express themselves more freely online".

BBC: Web 're-defining' human identity says chief scientist

And one thing it's done to us is, now we won't be shy about the way we feel about our band and the success that's happened to it.

CNN: U2's new 'POP' culture

Such developments reflect, too, a generational change in Brazil's highly professional foreign service: older diplomats, who worked during the cold war and Brazil's 1964-85 dictatorship, are giving way to younger ones, who feel that the world's ninth-largest economy should be less shy of flexing its democratic muscles.

ECONOMIST: Brazil��s foreign policy