I think it was self governed
emergent norm theory
The theory hypothesizes that non-traditional behavior develops in crowds as a result of the emergence of
new behavioral norms in response to a precipitating crisis.New conventions must form as part of the collective action.
In Jingle Bell Bride, Mary prepares Eggnog for the festival volunteers.
Jingle Bell Bride is a romantic movie that shows how Jessica Perez, who is a wedding planner unexpectedly finds her soul mate when she is trying to find out some exotic flowers for a client.
In this movie, one of the secondary characters is Mary who is the mother of the guy Jessica meets. Mary as well as other characters in the town are organizing a festival called "Jingle Bell Festival".
As part of the Festival, Mary prepares eggnog, which is a typical sweet annual beverage for Christmas. This is one of the ways Mary supports the volunteers organizing the festival.
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I'm pretty sure only 1 or maybe 2 years.
Hope this helped. Have a great day! :D