I normally don't like to call out other reviewers on their views, but I feel like the review that's posted on the page doesn't do this film justice at all. Sure, Jenna Fischer plays a very annoying character, and sure, her son is annoying as all get out, but to claim that either doesn't grow is a little rough.
I think the movie does a great job at exemplifying the tribulations of real life, and it's exactly the point of the film not to have a huge ending where everyone involved has an epiphany and changes all of his or her ways. Everyone has a ton of problems, but the fact that they aren't shown climbing triumphantly out from them is exactly how real life is, how many of you can just walk away from a rough marriage, or problems with a child, or the suspicion of an affair? These aren't things one can simply "Get over" within the span of days, or maybe even ever, and this movie shows that in a way that is quietly elegant. The viewer is left with the statement that things are going to be better, and the viewer has to trust that they will be, as opposed to being shown that they are.
It's a quirky sad film, one that doesn't really make the viewer feel all that great, but it certainly leaves enough room for a quiet warmth; a slow hope that stays with the viewer after the movie ends. It's a great film, an annoying and frustrating and awkward film, but a great film nevertheless. The viewer sees human beings interacting with each other, and very human reactions. It's nothing that's going remain with you for days, but it will make you smile.