[Oh.

So she only met him while he was...

oh. It's bad to remember that time.]

He wasn't feeling like himself for a long time. For... a big part of this year. It was only in the last few months that he got better again.

I'm... sorry you couldn't meet that Sokka.

[He knew what he did in that state must have weighed on him. Especially when he thinks of depressing factors - such as that it was the last impression that Hiccup had of Sokka.]