Missing Helen
ShortStory 5,830 words Recommended by 4 award/anthology sources
"When Mark told you he was marrying your clone, you said “congratulations” on autopilot, because that’s what you say when your friend tells you they’re getting married, and you had promised to stay friendly after the divorce. You studied his face, his fingers crimping the pleats of his dress pants."
Content warnings 1
child-abuse
Quasar links out; the story lives on Clarkesworld, where the author gets the click.