On board conflicts
Homelessone, I suggest you take as many overnighters and long weekenders together as you possibly can before you commit to cruising together on a long trip.
Do you spend nights with each other now? Is he not respectful of your space? Talking about your need for privacy, even while on the boat, is a priority ... otherwise you might end up throwing him overboard!
P.S. I envy you! A man with a boat. My dream!