I have a confession to make. I'm addicted to Geminis. I'm not totally sure when this started, but over the past 7 years or so, all my exes have been Geminis. All my crushes, too. What is it about this sign that makes them so irresistible? It it their emotional unavailability, lack of commitment, or general flightiness? Well, no. And I know those negative traits don't epitomize all Geminis. The real reason I'm probably drawn to Geminis is because they're exciting. They're overflowing with knowle…