[He doesn't comment on the fighting thing. He's not really sure he will ever be good enough with it to actually fight someone.]

Earth is pretty common as one's home planet, I've come to notice. At least several versions of it.

[All of them had their own weird differences. As far as Ren was concerned, his Earth was very mundane.]

Are you saying you think this place is a figment of imagination? Because my experiences are similar to how we got and currently are here.