My wife and I have taken 3 extended cruises over the last 20 years. 14 months the 1st time; 18 months the 2nd time; 24 months the last time.
We have often heard people say that they have "chucked it all" for the good life. My response to that is - nonsense! What you have done is traded one set of responsibilities for a different set of responsibilities!
Ask yourself on land if you worry about waking up on top of your neighbor or having him on top of you? If your basement floods will the house disappear? Just a couple of thoughts from many!