Maybe she was too embarrassed to put them in the bin in case someone saw?
Some people are oddly prudish about things like that. When I first started blobbing I'd smuggle washing powder into my room and wash my pants in a bucket rather than let them be seen by anyone else doing a communal wash.
( Bob Todd whee, Sun 2 Dec 2007, 21:56, archived)

I think you'll find that's just you.

( Wicca'd Witch needs ideas for a new sig on..., Sun 2 Dec 2007, 21:59, archived)

then she could pop them in a bin
at any time in her room (next to the bathroom) or down the chute outside - just not keep them, for apparently a few weeks in drawer in a communal bathroom.
(yacob, Sun 2 Dec 2007, 22:01, archived)