I lived on a sailboat for 7 months of my pregnancy. And I fully agree with you, that I've probably got a couple of screws loose in my head!
The natural and immediate question most people ask goes something to the tune of, "Hey crazy lady, what terrible sequence of events brought you to the point of spending some of the most uncomfortable months in your life on a 32 foot sailboat that barley fits one person comfortably?" This of course is a fair and honest question. Long story short, I saw an opportunity for an adventure that I thought I'd be crazy NOT to take.