It's a good thing
If you have a pretty strong pelvic wall it helps combat incontinance
(
Roxy_Hart is so so old,
Mon 2 Jun 2003, 13:42,
archived)
It can be used
to squeeze during sex. Which isn't evil, but it's eeeevilll* when you're not expecting it!
* meaning goooooood
(
Fronds are waving gently on,
Mon 2 Jun 2003, 14:30,
archived)