I'm pretty bad when it comes to romance- if I tried to say this in person, it'd turn out to be an unmitigated disaster. The words would never leave my mouth. At least I have the luxury of crumpling up parchment and starting over once I write the wrong thing.
Notes seem to have become a tradition with us, after all.
We've been together for three years. Not perfect years, but I think we're capable of spending extended periods of time in each other's presence without reaching for weaponry. And I actually kind of love you more than I've ever loved anyone else.
Zuko, do you want to marry me?