In writing a good online dating profile, the average love-seeker will likely fill it up with all the appealing qualities and interests that make them special. They paraglide and do hot yoga on the weekends, enjoy Riesling on the beach or seeing indie bands in basements, are a Libra with Scorpio rising, or have a dog or three kids or an iguana. There's one thing they routinely leave out, however: what they want to know about their potential partner.