Are you asking how, or are you really asking why? [She looks at him skeptically, not perturbed by his sarcasm. If he didn't believe her, then all the better. Still, she answers:] When I said I was training before, I wasn't lying. I've been doing so for years in both stealth and espionage. I can approach a situation like this with a subtle hand.

[And if she goes along, she gets to keep an eye on this stranger, while foiling a plot for potential blackmail, and all the complications that entails for both parties.]