The laugh makes her wrinkle her nose. It's a legitimate concern, alright-- nevermind that she knows nothing of the Doctor, to pass that sort of judgement on him.

"You sound so sure of things." Her... not so much. Riven shifts her weight back, folding her arms. No sense in arguing with him on that front, even if she does badly want to disagree. "And has anyone else come forward with a-- 'resource?'"