lig sounds like you and ds are doing well.
The plan is that MIL will go out during the day whilst I'm in Labour, she's out most days anyway but will obviously be here at nights but in her own room and if she even comes in once I will be locking her out of the kitchen which means she can't access our side at all.
To give you an idea of how much stuff she has, it includes........
12 duvets
10 boxes of Christmas Dec's
9 boxes of plates (not bowls or side plates just dinner playes)
3 garden parasols
2 lawn mowers
2 vacuum cleaners
She was supposed to spend the 6 months prior to moving decluttering and sorting while packing, the day of the move we discovered she hadn't even packed the kitchen cupboards, my friend and I were doing it whilst the lorries were being loaded and at the last minute we had to hire another van because we ran out of room in the 2 Luton vans, a friends van, my car (big 4x4) and friends car and even then we had to leave her sat on a neighbours driveway surrounded by stuff while we unpacked a van and went back for her and another van full.
its been 8mths and she has unpacked her bedroom and bathroom, that's it the rest is still boxed up and piled in her lounge, kitchen and log cabin. Rather than unpack she just goes and buys new stuff since she can't find the one she owns!
We've tried reasoning, begging, being practical nothing works and she just has a major strop if either of us mention sorting it and then does the whole "I don't think this is working I want to sell up" thing, which I just can not handle right now.