"Let's just see if we can get through the rest of our lives without further damage," one character begs another in what passes, in this world, for a happy ending.

I didn't realize this was a 'spoiler special'! Granted, this movie doesn't sound like a whodunit, but was this necessary?

Yes, but you have no idea who is saying what to who and in what context. It gives nothing away. Calm down - this wasn't much of a spoiler.