An Invisible Sign (2010)

Other mistake: The protagonist is still a kid, and she is telling in voiceover about all the things she vows to renounce hoping to have her dad back in health. On the porch she knocks repeatedly on the wood, but the magical numbers don't appear. (00:05:00)

Sammo ★

Ben Smith: I like you. I haven't liked anyone... like this in a long time.
Mona Gray: How long were you engaged?
Ben Smith: Seven months.
Mona Gray: Which months?
Ben Smith: December to July. Why?
Mona Gray: That's 212 days. Unless it was a leap year.