I thought, if I could get that feeling into a story, it would be scary as Hell. I think you succeeded. But your novel is also quite heartbreaking. The fear of losing everything you love. That's what time does.
Time is evil.
A little birdie told me that you want to be considered a horror writer. Don't you worry about the perception of the audience, not to mention I bet you'd make your publisher crazy. I grew up as a reader of sf and horror, a dedicated reader. I think those readers are still out there. The literary reader aren't.