Yep... been there done that with hiding computer parts LOL with us it just resulted in a big fight and nothing changed. The only thing that helps the big kids to understand is when they finally link home harmony/mood to tidiness. Eventually my DH decided that a bit of effort was worth it if it meant my mood was good. Also, once Oscar actually starts to break a few of your Dp's precious items then he might have a change of mind. My Dh knows that his things stay intact at my mercy. If I get p!ssed of with him and his stuff lying around I just let the toddler have free reign. Everything of mine's that precious is already broken or put away or hanging on a wall well out of reach. I'm resigned to not having anything nice out for the next 5 years. Also Verity does just as much damage herself somedays.... so really after they have all left home might be a more realistic timeframe. Maybe this is why my dream is to pack everything up and live out of motels for the next 2 years.... everything would be safe then!