"So… were they telling the truth about you and tinkling in the woods?" Anna was curious. She'd known Kristoff for a month now and kept going back to things from the week of eternal winter that had caused them to meet. Only after realizing he went out into the woods three times a day with no real excuse did she think back to the young troll-childs line about him only peeing in the woods.
"Yeah, so? You have odd habits too ya know." Defensive. Interesting.
"Why do you only pee in the woods?"
"I have my reasons."
"Liiiiike?"
"Like my own freaking reasons, Anna. Leave it alone please."
"Not until you tell me why you don't just use a lavatory like everyone else."
"Fine." He sighed. "The truth is…"
I couldn't decide which ending I came up with I liked best, so go ahead and pick. They're from most to least believable/ridiculous. If you read Norwegian (or are cheap and use translate) then you can figure out which is which.