LANE: Everybody’s still married. It’s like a factory system here. They all come to the weddings, find a spouse, get married and stay that way ’til they die.
RORY: They mate for life, like the loons.
A loon is the American name for the water bird which is otherwise known as a “diver”. Contrary to popular belief, they rarely mate for life.
The Annotated Gilmore Girls 