but what about playing with kids who aren't royalty or aren't rich? >> it will be key for the children to have school friends that will come over to the palace. william and harry had school friends come over for play dates and the such. but i don't know whether it means that it's going to be automatic friends for the parents as well because william simply won't know whether he can trust them. >> reporter: the key to a well-adjusted child in the royal spotlight, good communication between prince william and katherine. child development specialist robin goldstein, contributor to "washington parent magazine," says even very young children can quickly pick up tension between their parents. you deal with people in this town who are high-profile, both parents working who may not be able to spend as much time physically with their children as they want to. maybe much like this couple. how do you think they're going to balance that and what do they need to do? >> everybody can probably tweak their schedules just a little bit, whether we're talking about early morning, or talking about showing up at lunch or showing