He wants to know what she will do.

"Oh really?" Kazex said raising an eyebrow. "How do you plan on doing that exactly."

Emily was quiet for a second and then said "Well, one way some researchers learn about tribal people is living among them and following their customs. I am willing to do just that for a little while."

Kazex smirked thinking this is a good opportunity not to pass up. Of course, it was only him but if he plays his cards right he could have this foolish human right where he wants to.