Azula is more of a man than many guys I know, so this is perfectly possible
Long live crackships!
And Azula might very well be Lin's father! At least if you believe this post on Bryan Konietzco's Tumblr account --> bryankonietzko.tumblr.com/post…
Or you can check out a screencap of the aforementioned post here -->
Many thanks to
for pointing it out to me
All I have to say is, "I knew it!