FRIGHT REACTION by Joshua Scribner is a flash fiction story about a man grieving in an isolated cabin, while the rest of the world is invaded by aliens.
Not only does the author leave readers with many unanswered questions, but the ending is unbelievable. I try to suspend all disbelief when it comes to any fiction, but the number 50 is freaking ridiculous for its intended purpose.
This is one of Scribner's older stories. The shorts he's written in the last couple of years are much better.