[There's a pause before she answers, as she has to think long and hard about this. Her first instinct is to keep it quiet- Yang doesn't deserve to worry about it, especially when Blake is seriously having to question if it was real.

On the other hand... She'd kept secrets from the team often enough. Weiss had told her- When something happens, she's supposed to go to the team. And who else in the team can she trust if not her partner?

Never mind her last 'partner' turned out to be not even close to the person she thought he was/]

... If you really want to know, I can tell you what I saw. But what I saw is all I know. I'm missing a big part of it.