The shared trust between you and Katara deepened tremendously over the last decade, but somewhere along the way it changed into something she couldn't seem to say. Toph, on the other hand, was always different than most people would be around an Avatar. The rough affection she shared with you gradually gained another meaning. However, Suki was more self-aware about what her feelings had grown to become. What she does not know is whether that affection is returned, or ever could be.