Sober Mindedness - The Opposite of Seriousness

Sober mindedness is the demeanour that corresponds to the weight of the things of life, the great things of life. It's possible to be sober minded and have elements of humour in our life. The real battle in life is to be as happy in god as we can be. And that takes a very special kind of sober mindedness. How do we frame the gravity of our worship so flippant humor doesn't become the default vibe of our corporate worshipah?