I'm just down the road in Columbus, and had my OHS back on May 23 up at the Clinic. I sought a second opinion from them, and am very glad I chose to have my surgery there. I'm happy to answer any questions about that experience.
I had both my mitral and aortic valves replaced with mechanical after a previous aortic valve homograft.
Similar story to yours, 43 with kids, otherwise healthy. Recovery was tough, I was in the hospital for 9 days. Had a few minor setbacks; afib, pleural effusion, etc... First 2 days in ICU was very difficult, but as soon as the chest tubes start coming out the pain reduces substantially. I developed pneumonia after being home less than a week, but antibiotics were quickly effective. All in all, I was back to work part time after 4 weeks and full time after 6 (my choice). I feel great now, and to be honest it seems like a lifetime ago, despite it being only 3.5 months.
If I had to do it over, I wouldn't change much. I'd 100% go back to the Clinic. There are several hotels close by that are designed for family to stay in while a loved one is in the hospital. We split an air bnb that was close by so there was a home base for folks to drop in and stay, etc..
Have a wedge pillow at home, have a shower stool, shave your arms totally before surgery (tape sucks coming off!) Get a pill organizer, set up a phone tree to keep friends and family updated without you or your fiancee being inundated with calls and texts, be prepared not to poop for who knows how long
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You got this!