In the car, while we're driving:

Caterpillar: Aaaaaeeeeeeeeeeeee!


Dormouse: Aaaaaeeeeeeeeeeeee!


Dormouse: Aaaaaaaaaaaaaaaaa!


Caterpillar: Aaaaaaaaaaaaaaaaa!


Caterpillar: Oooooooooaaaeeeeeeee!


Dormouse: Oooooooooaaaeeeeeeee!


Dormouse: Arrrrrrrgh!

Caterpillar: Arrrrrrrgh!

KingofHearts: I think they just had their very first sister to sister heart to heart.