So the suspense aka no plan revealed yet continue's.

This is good for them, this type of talking can strengthen their relationship if they ultimately decide that's what they want.

If they decide to go back to just brother and sister then I wonder how they'll fare, both mentally & emotionally.

“Don’t worry about my thoughts.” He went ahead and learned how to properly eat you out, went through all that trouble for that date in the treehouse, and was genuinely worried about you when you were late getting back. I think it’s safe to say that he will definitely worry about your thoughts. He wants to be with you.

He loves her, you can see it in his eyes!