] "...Did you ever hear the old song 'Going to One Wedding Brings on Another?" ....WHAT old song? Does anyone have any ideas on this one?

It seems there might be some truth in John Thorpe's 'old song' - if the following is anything to go by. I found it online, but can't verify the study:

Based on studies about this subject, it's been documented that most people meet their partners at work or through work related functions. After that comes external interest groups, then weddings and other social functions....