Wedding anniversary years have well-established connections now common to most nations: 5th Wood, 10th Tin, 15th Crystal, 20th China, 25th Silver, 30th Pearl, 35th Jade, 40th Ruby, 45th Sapphire, 50th Gold, 60th Diamond, and 70th Platinum. In English speaking countries the first, wooden, gift was cut on the day of celebration and then presented to the wife as a finished article before the next two quarter days had passed. The modern tradition may have originated in medieval Germany where, if a married couple lived to celebrate the 25th anniversary of their wedding, the wife was presented by her friends and neighbours with
What Is and What Should Never Be (Supernatural) its original broadcast, "What Is and What Should Never Be" was viewed by an estimated 3.11 million viewers, one of the lowest ratings for the season. Conversely, writer Raelle Tucker won the Constellation Award for "Best Overall 2007 Science Fiction Film or Television Script" for her work on the episode, and the episode garnered positive reviews from critics. Tina Charles of TV Guide "adored" the episode, and considered it to be Jensen Ackles' best performance of the series. She experienced an "emotional roller coaster the entire hour", finding Dean's monologue at his father's grave to be "crushing" but the lawnmower