When we left Alaska to sail to Australia with our toddler for crew, we thought it was a once-in-a-lifetime thing. But then we had our second child, and bought our second boat, and sailed across the Pacific a second time. We've been living aboard for seven years now. Sometimes we wonder how long we'll keep at it, but all we know for sure is that the end doesn't seem to be in sight just yet. Click here to read more from the Twice in a Lifetime blog.