me and my friends want to go on a vacation after we graduate as like a "end of high school celebration" x) and we were thinking about going on the Disney Cruise or the Royal Carribean Cruise? we are 17-18 and i was wondering if we are allowed on the ship by ourselves, with no adult supervision. and also, is everything included in the price of the ticket ? like the meals? oh and which one is more worth it? Disney or Royal Carribean?