Cruises are one of my favorite kinds of vacations because it’s easy to practice good health habits. On my latest cruise, I ate a lot of high-quality protein, fruits, vegetables, and got plenty of steps and sun. I never felt bloated or hungover because I hardly drank and came back feeling really good. Afterwards, I got asked how I resist all of the temptations, treats, and snacks on the cruise ship. I thought about it, and the best answer I could think of is practice. I go on a couple of cruis...