Six Months, Three Days
If you could see the future, how would it change your relationships? What if your partner could see the future too? Winner of a 2012 Hugo for Best Novelette.
"I just can't see a happy future where I don't date Doug. I mean, I like Doug, I may even be in love with him already, but... we're going to break each other's hearts, and more than that: We’re maybe going to break each other's spirits. There's got to be a detour, a way to avoid this, but I just can’t see it right now."