As long as nothing gets in the way of a river's meandering, its curves will continue to grow curvier and curvier until they loop around and bumble into themselves.
But there's a huge range of flies out there, of beetles, of butterflies, of moths is the night shift that comes out, which is really hard to study because you have to bumble around at night.
You can read any number of books on that, or just ask your next bumble date who turned up in a fedora and a Release the Snyder Cut t-shirt, ready to spend the entire night talking about him.
Lizzie followed the signs that promised a cafe, bumbling along a rutted farm truck that passed over cattle grids and through gates where she had to dive out into the rain and rush about with opening and closing.