“Sliding Doors has a really strong positive message that you need to see perceived failures as areas to grow rather than allow yourself to become a victim of your life,” Kwong says.

“We teach people resilience so that, instead of sitting there and thinking of themselves as a loser, they can think: what went wrong? What can I improve, is that something that I want to do? It helps you to close that door and open a new one.”

So, how does it feel to have written and directed a movie that has cemented its place in our cultural consciousness?

“You know I had never written anything before and even Sydney Pollack said he couldn’t believe this was my first screenplay,” Peter says. “So I can’t begin to tell you how much pride it makes me feel that I’m leaving something behind.

“You know, you can leave a piece of work behind, a book or a film or a play and maybe people will continue to enjoy that after you’re gone,” the director explains, “but to have actually brought a term into the vernacular, that gives me so much pleasure.”

Icon Film Distribution presents Sliding Doors on collector’s edition Blu-Ray and DVD from 13 May

Image: Miramax/Alex Bailey/Getty

Sliding Doors is turning 21 and is still as relevant as ever - here's why