The excitement from Finn to actually have landed in the Candy land and being with his closest-and-dearests was palpable. Holding onto both of them made him happy to just be there. Every unique candy plant and landscape feature made the entire thing like a far better dream than the Hotel was. Not that the Hotel was proving to be all too bad, he was quickly coming to terms with it.
Letting Rey take the lead on their adventure came naturally. Finn defaulted to his friends' directions as long as he could watch over them in whatever they planned.
"I'm sure we can find something to put the candy in?" If the chocolate from Kylo was any indication of the chocolate in the land, he definitely wanted more.