Surely I do the posting when I put it into the postbox - postmen then deliver the post to me..
confinement still happens in lots of places - a malaysian lady I knew stayed in for 4 weeks (should have been 6!) after having her baby.
Personally I don't see an issue with failure to progress (which I did), or a false labour - but then I work in a profession where being literal and precise is important so I know I think differently to many people who would attach feelings to those words