*plates are meant to be broken*

I broke one of my mum's plate while washing the dishes today.
Like I said plates are meant to be broken, if not those that sell plates wont have business.
Unfortunately the plate that I broke is the one my aunt send back from US.
It's so not my fault, if it's so valuable then don't take out & use.
I really don't understand my mum at times, so many plates for what?
My store room is full of chinas.