1. Jurassic Park, Mission Impossible, Titanic... and if it counts, I haven't seen Return of the Jedi.
2. Just never got around to it, but occasionally I rent some of those insanely famous movies that I haven't seen, just to see what all the hype is about.
3. Sure, why not.
4. A couple of them I'm just not interested, my only reason to see them would be so I can say I've seen them. Then again, I have seen movies like that solely for that reason and ended up actually liking them, so...
!!. I don't know, but I think she would kill you for asking such a stupid question.