At the movies, I get frustrated when we file into our row haphazardly, ignoring the computationally difficulty problem of seating people together for maximum enjoyment. [[Map of relationships between 8 people.]] {{legend:}} Single line: friends. Double line: in a relationship. Arrow: one-way crush. Dashed line: acquaintances [[The eight friends sitting in a row in a dark cinema. Narrator and one other are between two lovers.]] Guys! This is not socially optimal! {{Title-text: It's like the traveling salesman problem, but the endpoints are different and you can't ask your friends for help because they're sitting three seats down.}}