Many, many years from now, on a clear and sunny day, he idly rocks the baby's cradle and asks her, as she knits a scarf beside him, "What's the thing you regret most in your life?"
Without a second thought, she replies, "Saving you, then getting hit."
He looks awkward and asks her, "Then what's the thing you had the hardest time deciding?"
She ties a pretty knot in the scarf, her expression cool. "Whether to save you, then get hit."
Thoroughly embarrassed, he timidly asks, "Then... what's the thing you regret least...?"
She looks up. Her golden-silver demon eyes gleam as she sighs and says, "Saving you!"
Not bad, I like it, come on.
Three words, including a period...