Mid-season two, starting around the time they got to Ba Sing Se. The way it looked on his date, after Jin mussed it up that is, was really cute. And then season three of course, especially when it was up in his royal topknot. The end of season two hair was a little bit too "shaggy emo mop" for me. It looked better down in season three, when it was longer.
...I never liked the bald with a ponytail look.
Yes, I am
a HOPELESS ROMANTIC.
Mai is a girl after my own heart. We both like to play with sharp pointy things.