The climax is rarely a grand gesture in the rain. It is usually a quiet, devastating choice. Does one partner abandon their nomadic life to "land" for the other? Does the couple decide to embrace perpetual motion together, becoming a two-person flotilla? Or—most tragically—do they realize that the relationship only worked because it was portable, and that proximity would destroy it?
If you are a writer looking to explore this niche, do not start with a character profile. Start with an Here are three high-concept prompts to get you started: