"Not interesting enough to keep you from catching me." Parker flashes him a grin.

"If I ever sneak up on you, I'll be able to sneak up on anybody. Or you'll have unconsciously recognized me by the little sounds and classified me as non-hostile, but I'm not sure how likely that prospect is."

They're friendly, but their respective skills and abilities tend to keep them in different roles in the super hero fights. It would take a lot of dedicated time and effort to get to that point, time and effort that could probably be used on other things.