Well a mug was definitely different, but not unwanted. As fr the tea, it was perfected: she remembered Zuko's uncle saying it was one of his favorites.

"Ive had this before, is actually really good!" Katara said. "Great selection!" She took a long sip, than put it down, seemingly unaffected. At first.

"Oh wow!" Katara suddenly exclaimed. "Your hair is so pretty!"