If a relationship feels flat, ask yourself: Which leg is missing? Do they have chemistry but no shared goal? Do they have a goal but no vulnerability?
The "External" Leg. The characters must need each other to achieve a tangible goal (e.g., solving a mystery, winning a competition). This provides the "Why now?" of the romance. stool leg sex
This creates power imbalances. If one character provides all the emotional vulnerability while the other only provides utility, you have a recipe for a compelling "unrequited" or "learning to love" arc. Examples in Popular Tropes If a relationship feels flat, ask yourself: Which