He gave him a look for a moment. While he might not look it, he's actually a good climber, you know. Although his expression softened and turned mildly thoughtful.
"You're saying you want to carry me..." He's heavy though. At least compared to Yona. He can't decide in the moment if that makes him want to climb more to prove that he's fine on his own, or simply make Jae-Ha carry him...
"I feel a little unsteady on the water, so the tree house sounds more appealing to me as well. There is likely no one to bother us that way at least."