Matt: Does that mean you want a rematch? Elektra: (was behind him) I knew that I find you, but how do you know that I wasn't an mugger? Matt: (chuckles and look at her) Well, they don't wear high heels and smell like a rose. At least not from Chelsea. Elektra: (smiles and laughs a little) Matt: Come here. I wanna show you something.
~ Matt and Elektra become friends after they met and later their friendship turn into romance
Aww! That's so romantic that the heroes and heroines decide to be more than friends like they know each other for years, months, weeks or couples of days. Anywho, it always start with Being in Love, Love Unrequited and Childhood Friends Romance before they become friends which that depends on the story.
Sometimes, It can start with a bad rocky upstart at first. But later, they started to understand how they feel or what they're going thought like they have something in common which it make them realize that they want to be more than friends.