i think one advice will be, compromise and you are sharing a
living space. so if you tried telling/reminding about the mess
& still they do, then let them see for themselves if you dont
clean up for them.
sometimes people are complacent that makes them lazy or appear
cant be bothered.
dont be angry, esp with your mother. find out the reasons why
they are like that and how the messes happen.
if you really ocd and cant stand a single sight of dust, then
you have to tone yourself down abit lah. nothing really goes our
way (in life in general)
being constantly angry also is not good for your health. just
take a deep breath every time you feel annoyed, frustrated, blood
boiling.
make urself relax, then try your best to clean a bit (to make
urself satisfied it is not as dirty as before).
i have a messy house too. and i try my best to clean what i can,
as long as i know im satisfied, the area is not as messy as
before.
the messes are always at the same place, so those areas i wont
touch (to clean) unless i need to use.
always remember, they are your family. so always be polite okay!
with positivity youll get positive outcomes!