I've tried to get buy-in in a similar way. SWMBO grew up on yachts, so after years of spending her school holidays playing rummy in a small cabin, she's over it.
The Carkeek is a balls out racing yacht, but I've tried to soften it: including a removable forward berth, enclosed electric head, some interior design flair, hot and cold running water with a shower in the head, a fridge.
Haven't pulled the pin yet but am close. It's going to do the Hobart as well as the short-handed Melbourne to Osaka, so deck is all hydraulic for shorthanded. Cabin-top is heightened and lengthened, giving more internal space. Deck layout is using the the VO70 philosophy with runner winches brought way forward, plus I've brought the steering forward, single central pedestal for main, and two pit winches instead of one.
Length has been extended by one foot to 48 feet for offshore waterline length. She's all about ocean racing and not around the cans. With a 3.44m draft, it's where she will play. We are going to hunt TP52s with a better IRC rating.
By designing for short-handed means I could run a pin-top delivery main with smaller headsail and get away with solo-ing for a family day, and leave the spinnaker back in the dock box.
I feel guilty and unapologetic in equal measures. But heck, this is how we roll, no?
If/when I push the button, I'll start a thread like yours.