Jw's are only happy when they can forget about appearances and enjoy themselves for a little bit. This means, when they are by themselves watching a movie, or with trusted friends and can let loose, when they are on vacation (and only if there aren't any extremist witnesses with you on vacation) and when they have friends to their house without the danger of someone mentioning something witnessy. If someone mentions something witnessy, everyone clams up and stops enjoying themselves...'oh yeah, we all are a part of THAT.' That crazy thing that brought us together, but is a huge shadow over our lives.
Sports and entertainment and good food helps. But no, witnesses are not happy except the times they can mentally escape at little intervals.