Adult children moved home for pandemic

C: lots more clutter in house
T: I want them to throw out their shit
F: agitated
A: getting rid of my things to reduce clutter, assigning everyone one corner in living area to leave a pile of things used daily, family meeting to set rules on immediate kitchen clean up with food prep, focus on how good it is to be all together, take deep breaths, tell myself it will take time, they are used to college living
R: not being a true SCS

Need some help please