On Dec 23, 8:29*pm, Frank Krygowski wrote:

One woman I've mentioned before was at the bad end of the curve. *I
watched her topple three times in one bike ride, including while
trying to put her bike onto her car's rack. *She was famous clumsy,
despite looking slim and athletic.

That sure sounds like someone for whom cycling was dangerous, and
whose predilections would preclude being able to ride "competently,"
no matter how much somebody tried to beat that into her.
You convinced her she should wear a helmet, right?
DR