She can't keep lying to someone so kind. She'd like to agree with him - it's true, most people are worthy of kindness. But Sayaka can't say as much for herself. Especially because -

"Because I'm not human." She mumbles through her tears. Too late, she realises that the stranger doesn't look all that human either.

"I mean -" She stutters, but the thought of having to explain everything - the witches, Kyuubey, her wish - just makes her cry even more. Behind her, the music swells and recedes like a wave.

"I'm just-" She tries again, "I'm such an idiot."