[She was actually referring more in the general, but that worked too.]
That's because the only secrets we know are the ones we discover. And the rest, well... [stares at her Guinness for a second, turning it to watch the play of light against the rim, nearly seeing a reflection of purple sunglasses] Sometimes... Sometimes we just don't know when to leave 'em well enough alone.
[Snaps out of it and downs another quarter of her beer.]
Sounds like you've got it tough. Can't say I blame you for disapproving, but have you listened to their side of the story? [That's usually what people forgot, when emotions were involved.]