My Fiancé's Secret First Love

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My phone buzzed with a notification. Someone had answered my question on Quora: "How powerful is the impact of a 'first love'?" My fiancé, Mark, had responded. "Powerful enough that I proposed to her sister, so I could be close to her, as family."

I'm that sister. And honestly? I wasn't as devastated as you might think. Because the top-rated answer to that question? That was mine. And I had a secret too.

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The doorbell rang. Mark, drunk as a skunk, stood swaying on my porch. Last week, he