It reminds me of long car trips, stopping and letting the kids run around to burn off some energy.
There's an immature quality to Kerry when he acts like himself.
I think Teresa recognizes it, given her bored,frustrated stares shen she is force to hang around John while he plays with his toys.
Clinton was the same way!
I blame it on drug use. Using marijuana at an early age keeps a person from maturing naturally. In fact .. some study said that the maturing process is altered.