The only wedding custom with a pretense to long tradition and universality, that of public checking up on the consummation of the marriage, seems to have been dropped. Miss Manners can’t think why.

Judith Martin (b. 1938) American author, journalist, etiquette expert [a.k.a. Miss Manners]

“Miss Manners,” syndicated column (1981-04-11)
    (Source)

On the idea that weddings have rigid and immutable rules, roles, and set pieces that must be adhered to. Collected in Miss Manners’ Guide to Excruciatingly Correct Behavior, Part 5 "Marriage (for Beginners)," "Weddings" (1983).