Unlike a traditional film, the cast and director worked together to create the story from script to screen.

Seater and his business partner Paula Brancati (who also stars in the movie) developed the plot about a group of longtime friends spending a weekend together at a cottage, loosely crafting each character around each actor, then presenting the ideas to their friends.

We have a slew of birthdays to announce since we skipped last weeks! Check out to see if you share a birthday with someone famous: Lauren Storm celebrated her 23rd on January 2nd and so did Kristin Cavallari on January 5th.

And because it was always at the back of their minds, and the fans were so into Casey and Derek being a couple, Seater noted how actors always want to find subtext in their lines and give fans what they desire.

Leggat pointed out how Dasey was just like the experience of simultaneously hating and loving someone, since the stepsiblings rarely got along, but did prove to be there for one another when it really counted.

Normally, the writers figure out what the relationship between two people should be in a series, then they take the stock derivatives and toss in cues to clue the viewer into how things are between those two people.

When this trope crops up, however, it's usually the result of a writer breaking from the established relationship types and attempting to forge unusual bonds.