That doesn't happen in the wedding ceremony. The birth of a child. The gradual development of traditions for important days. The birth of a second child. And just as important, by way of the crisis times.
Every marriage has seasons of ugly weather.
That is, it's becoming more than a word. It's becoming a lived reality. Actions speak louder than words, as the old adage has it. Life lived life is more real than speech. The word becomes flesh in a marriage through living intimately together for years.