C'mon, you've gotta be smarter than that!

Think about it, Pine Tree! Heck, you've seen time travel in action, you know there's already a future! That means every single thing you're going to do is already ancient history to somebody! Every decision you're ever gonna make is already made and you're gonna stand there and tell me you've got free will with a straight face?

[... Or he may just be trying to screw with his head.]