Help Wife Hoards Junk!

How do I get my wife to stop this junk accumulation? How do I get her to throw out packing materials from purchases immediately instead of storing them for god knows how long? How do I get her to throw out junk right away? How do I get my wife to recognize that stuff that once cost money is now worth nothing? How do I get my wife to realize that this junk is of no worth to charities? How do I avoid the really annoying hassles of getting stuck with sorting all the crap out and taking it all to the dump all without her getting pissy I've thrown out "important stuff she needs"?

I had a similar hoarding trait (not as bad as hers) until a few years ago but I've cleaned up!

Examples include: old useless crap from her mother's which she brings over every few months, egg cartons, pop bottles, wine bottles, portions of old paint in tins, old plastic containers of every sort, old paint brushes, old cutlery, broken plates, empty glass jars, empty cardboard boxes, empty plastic laundry soap containers, bubble wrap, really old Christmas present wrappings, designer name plastic bags, old telephones, old fabric, old curtains, old bathroom parts, 35 year old ratty kitchen chairs, 35 year old ratty desk, broken plastic garden furniture. The list goes on and on.

She will try and provide a rationale for any and all of this junk, but the bottom line is that almost none of it ever gets used, thus it keeps accumulating for no net purpose. A perfect example is all the empty boxes, which she claims she needs to put things in; this despite the fact that I've mentioned "if you really need them simply go to Costco store and get them at the time you need them, do not store them at home for some undetermined eventuality".

Almost none of has any worth so a yard sale is not going to happen. I want her to stop this accumulation of crap and throw stuff out right away, not hoard it for some vague eventuality.

I would not go as far as saying it's a full blown "Compulsive Hoarding" as per Wikipedia but it's sure annoying as hell, needless space hogging and causes work for me.

http://en.wikipedia.org/wiki/Compulsive_hoarding