<P> Emily moves to New York City, and she and Will rekindle their relationship after a run - in at a party of Summer's they both were attending . Maya correctly guesses that "Emily" is her mother . Maya states that it is unfortunate that the story has a sad ending, but Will explains that the story has a happy ending: Maya . </P> <P> Will decides to bring the copy of Jane Eyre to April . While catching up, it is revealed that they are now both single among other things . When giving April the book, Will apologizes for waiting so long to do so and a hurt April asks him to leave . </P> <P> Maya is happy to have figured out the story, but she realizes that her father will never love her mother romantically again because he still loves April . She figures this out from the way he talks about her in the story and that while he changes her mother's name from Sarah to Emily and Natasha's to Summer, he keeps April's name the same . Maya makes Will have an epiphany, realizing that he is miserable without April and has loved her all along since the moment he met her . They go to April's apartment and Will talks to her over the speaker . Just as Will and Maya begin to walk away (since April stopped responding and didn't let Will in the building), April runs out and asks what story Maya was talking about . Will tells April that he kept Jane Eyre because it was the only thing he had left of her (revealing in doing so that he still loves her). April hugs Will as she forgives him and then walks hand - in - hand with Maya into her building to hear the story . As Maya walks upstairs, April embraces Will (subsequently revealing that she loves him too) and they kiss . </P> <Ul> <Li> Ryan Reynolds as William Matthew' Will' Hayes </Li> <Li> Isla Fisher as April Hoffman </Li> <Li> Derek Luke as Russell T. McCormack </Li> <Li> Abigail Breslin as Maya Hayes </Li> <Li> Elizabeth Banks as "Emily Jones" / Sarah </Li> <Li> Rachel Weisz as "Summer Hartley" / Natasha </Li> <Li> Kevin Kline as Professor Hampton Roth </Li> <Li> Adam Ferrara as Gareth </Li> <Li> Annie Parisse as Anne </Li> <Li> Liane Balaban as Kelly </Li> <Li> Nestor Serrano as Arthur Robredo </Li> <Li> Marc Bonan as Kevin </Li> <Li> Alexie Gilmore as Olivia </Li> <Li> Kevin Corrigan as Simon </Li> </Ul>

Who ends up being the mom in definitely maybe
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