There is a subtle joke that is played out in this episode. The joke not only targeted the characters, but also the viewer. Throughout the episode, there is the assumption that Bernadette was going to break up with Howard. This assumption became the plot, wherein everybody gossiped about.
For a lot of people, turning thirty can be a difficult experience. However, I believe that being thirty years old in this present day has an unprecedented benefit in the history of our existence.