As a registrar Cynthia Green has wed more than 20,000 couples, including those who tied the knot on this summer's Netflix smash hit Love is Blind and previous series of popular Channel 4 show Married at First Sight UK.
But while she's not phased by a camera or two, Cynthia has one unbreakable rule when it comes to weddings and TV shows - everyone must take it seriously.
As Cynthia explains: "The weddings were legal and real and I asked that once the ceremony started it went the whole way through. [The producers] couldn't shout 'cut' and stop it and start again." On Married at First Sight matches are made scientifically without seeing each other until the wedding.
Cynthia candidly admits: "I initially thought: 'What? No! I can't do this.'" However after reflecting she changed her mind. "When I thought about it, I related it to an arranged marriage.
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