While drinking with John at the College Club, Geoffrey fills his glass in three successive shots without drinking the previous contents.
Although Geoffrey and Miriam get married early the morning after Valentine's wedding, their marriage certificate is dated two days after the date of the wedding.
When Mr.Brown is riding in the cab with Mr. Hewlett on the way to the wedding, he is wearing a brooch pin on his jacket lapel alongside his carnation. But in the following cut in the drug store phone booth, Mr. Brown is no longer wearing a brooch.
When Miriam looks up a telephone number, the page we see of the telephone book is obviously not a real one. Several of the telephone exchanges are matched with the wrong addresses. For instance, FOrdham, which was in the Bronx, is used for Park Avenue, as is CHickering, which was near Times Square.