this may be a bit off topic but if you look at the oasis class ships from royal caribbean they have put up water slides for kids and the family a carousel ect and say if its a family cruise the mom and dad wents to enjoy a formal night diner with out the kids they take the kids to eat at the buffet restaurant and then call for the ship to send a care taker for the kids while the parents enjoy a nice meal then a night show while the kids are being cared for by the ship onboard nanny service.