"You," Sara raises an eyebrow, "looking to learn some things?" She means that more Natasha seems pretty experienced. This little bit of information makes Sara rather curious. There are people who are good at looking like they know things, who also know about pressure points, how sensitive they are, the relaxed feeling they give a person, rather than knock them out.

"I'm a pretty decent teacher, if that's the case." Of course, that might be a purposeful allusion to one of the most popular fantasies.