She hasn't thought that far ahead.

Dropping the snowball, it becomes evident that she's so stupidly happy at having gotten the better of him in something that it really doesn't matter. He said the words, she followed through on her promise, and that's good enough for her.

Rey moves even closer, pulling the dark purple cloak around her, smiling at him. When she stops in front of him, she's come up with an answer. "You have to admit you had a little fun."