OK, now we're talking. WHERE would your wife like to use that washer and dryer? The Chesapeake Bay? North to the Erie Canal (with a nice stay over in NYC)? South to the Florida Keys?
We used washers and dryers, one set with a view of the Manhattan skyline. Another set for FREE on the Erie Canal. And in a marina in Marathon visiting with other cruisers in the Keys.
How about some other neat places to use a washer/dryer? Like Lake Powell? Or beautiful Roche Harbor in the San Juan Islands in the Pacific Northwest? Or after 3 of the most peaceful days by Chatterbox Falls in Princess Louisa Inlet, a funky little place at Powell River in Canada? Oh, wait... it would be a LOT of work and BIG bucks to get a 40' boat from the East Coast to the West. But, with a trailerable boat, the trip across becomes part of the fun. You don't have to run the same water over and over - just haul the boat up on the trailer, hook it up, and you are on your way to the next fun cruising area.
And all those cruising areas have washers and dryers. But, as cruisers, you'll be wearing shorts, t-shirts, and the occasional sweatshirt. Not to mention Naked Cruising Wednesdays! Yeah, just havin' some fun.
And now I'm going to reveal a traumatic part of my past... this place is a lot like group therapy. I was a poor kid. My Dad died when I was 6, Mom had no marketable skills, wasn't just from the wrong side of the tracks - we lived less than a half blocks from the tracks. My Mother would take me with her to the laundromat and leave me to "guard the clothes" while she went to find someone to buy her a drink. I grew up hating laundromats. When Joan and I first got married, we didn't have two nickels to rub together, but one of our first purchases (on Sears credit) was a washer and dryer... I'll be damned if I was going to have to go to another laundromat. When we started boat cruising in our C-Dory, there is no room for a washer/dryer... oh, don't get me started on our friends with the 22 who wash out clothes in the sink... or sailing friends who drag clothes behind them in a mesh bag. We had no choice but to frequent laundromats while out and about on the boat. And it isn't like the old days. Don't get me wrong, we have certainly been in some "third world" laundromats while boat cruising, but it's just another part of the lifestyle. Ya laugh and move on. Everything on a small boat takes a day: laundry - a day; grocery shopping - a day; and that's also part of the lifestyle.
Of course, the other option is short trips of a week or less so you can get back home to do laundry. :wink: But some of the really great cruising areas may take you MONTHS to see. Giving up a washer/dryer for the opportunity to see those places and anchor in spots that the 40 footers (who may have a washer/dryer, but not the water capacity to use it everyday) can't go... easy decision.
When it comes to a mobile lifestyle, any excuse to not do it works. It's sad when one part of a couple won't give it a chance... it's equally sad when one part of the couple calls it quits over being drug along to go cruising. If she really doesn't want to go out on a small boat, strapping a washer/dryer to the top of a Ranger Tug isn't going to make her happy. :roll: And as we all know, if Momma ain't happy...
Statistics show that if you "convince" her, it will come back to bite you in the butt. If she doesn't want to go, then you really have two choices, and "missing her" really is one of those choices. Some couples can make that separate lives thing work. I would be miserable.
Again, the best advice (it's free) I can give you is take her to a C-Brat gathering. When she sees people having a BIG time on small boats, she will either change her mind or not. If she does, you two can go boat shopping together and encourage her pick the options. If she doesn't, get the boat that will allow you to do the fishing and overnighting that works for you.
Some couples do everything together - my wife and I are like that. Some do very little together, but meet at home in between their individual stuff.
My take on cruising is: it's more fun when you have someone to share it with. A sunset is beautiful... it's even better when you share it with someone you care about and can say, "That is the second most beautiful thing I've seen today." (And we assume you aren't talking about that 40' boat you passed earlier.

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OK, I just blew my New Years Resolution to not babble on. I feel for ya, and was just trying to help. Good luck with the discussions and the decisions.
Best wishes,
Jim B.