[The effects of Steven's air immunity kick in after a moment or two, and Korra's able to smile at him gratefully, letting her other hand drop back to her side.]

Thanks. It's not as bad as it was at the beach, when the spirits had to send us back. Just sorta took me by surprise.

[She looks down at their hands, fascinated.] My friend said this would work, but it's way different actually feeling it happen.