Peter Pan: I remember you being a lot bigger.
Captain Hook: To a ten year-old I'm huge.
Shoe-Stealing Pirate: I fancy them shiny shoes for my booty!
Peter: Well, I think you can get them at Armani.
Rufio: Looky, looky, I got Hooky.
Wendy: Boy, why are you crying?
Peter: I don't know. A tear for every happy thought.
Hook: [On Peter regaining his abilities.] I like, I like it, I like it! Oh, Smee, what a superb idea I've just had! Tomorrow, I'll make Pan's brats love me! Oh, Peter Pan will fly again, he'll remember how! If he doesn't, those dirty Lost Boys will jog his memory! Oh, yes, you'll see! He'll crow, he'll fight, he'll fly, and then... He'll die!
Answer: 1) Though it is never fully explained, the mystical way Peter Pan would come and go from Never land. 2) It was Smee who was doing the spying. When Hook asked Smee, "This can't be my great and worthy foe?" Smee replied, "I have all the information here." He had a file of paper work on Peter. 3) Hook knew where the Lost Boys were, When Peter asked, what happened to the Never Tree. Tinkerbell said, "Hook burned it when you didn't come back." He considered the Lost Boys not worth the effort. It was Peter, he wanted.