[Aang tries to smile, but her comment already gives a soft pain to his heart. What does this Toph remember instead?]

It was one of the weirdest times. And I had to keep it for some time since we were infiltrating the fire nation. It felt so liberating to finally shave it off before the invasion. ‹small›[That and his kiss with Katara were the only parts of that day he liked to remember. He paused before continuing in a more solemn tone.]‹/small›

But that's not what you remember, is it?