Merrill's eyes sparkled when Hawke mentioned the language. "I know! Isn't it wonderful? I don't think I've heard a human speak Elvish before--at least, not so fluently!" The thought of a human learning Elvish hadn't really crossed her mind before. The Dalish tended to be very wary of outsiders, so it wasn't typically taught to humans back home. It was an elf thing; humans weren't really invited.
"I could teach you some, if you wanted." Merrill hadn't thought anyone would really be interested in learning a language no one else here spoke. Even the other elves here didn't know much Elvish. But now!