I think the basic problem is that guys build/fit-out/buy a blokey-macho-he man-pit against nature boat. Aussie vernacular a "brick sh!thouse"; an outback dunny that bangs in a storm.
Part of the reason why I dont like Swan's is they feel
like a cement mixer whereas an Oyster feels like luxury
Most women would probably shy away from the cement mixer style boat and go for the luxury feeling, homely and safe, cocoony.
How you do that on your boat I dont know, but err on the side of letting her soften
the boat as much as possible, let her select all fabrics, get the softest cushions, etc, buy her big fluffy pillows and towels. Remove every bit of sailing crap from below: No tools, no projects, no barometers and weirdo instruments unless right in the confines of the nav station, no boat pictures on the wall (why the hell should she like a painting of some old sailing ship when she would prefer a picture of her grand kids?). Make the whole Below a girls haven
Below: Spot the guys boat and spot the girls boat. They both sail the same...