I get how you are feeling about the full-space closets, I do feel choked at times as well, and the feelings that come with decluttering them are heavenly.

I use to take things i don't use and dash them out every now and then and it do makes me free and refresh.

But for my sisters, and mom they are keepers. You will found so many things of many years stocks up in their houses and I just wonder how they cope.