Freedom dude. It's about the freedom. No landlords, no mortgages, and if you don't like your neighbors you can just haul up your anchor and go someplace else. When you live on a boat you have a level of independence and self-sufficiency that's almost impossible to achieve any other way. If the power grid goes down I'll be the only guy in town who will have power once the generators run out of gas, assuming the grid going down is not caused by a nuclear weapon being detonated in the atmosphere of course. That being said, my electrical system absolutely would survive an EMP caused by solar storms. I don't have to worry about unwanted people knocking at my door, solicitors aren't going to paddle out here to try and get me to join their religion or vote for their candidate. My plan was actually to avoid winter all together by heading to florida until spring then sail back North to avoid hurricane season, but my mast was damaged so that plan will have to wait until next year unfortunately, even if I were able to get my mast repaired tomorrow I missed the window for good sea conditions and my vessel is not really big enough to handle the North Atlantic in winter conditions safely, not with my level of sailing experience anyway.

TL;DR I'm basically an antisocial hermit who lives in the middle of the wilderness, but since I'm on a boat instead of in the middle of the National Forest I get all the benefits of being a hermit in the wilderness while having most of the comforts of a normal home. I won't lie though, heat is a bit of an issue.