Choosing your seat on an airplane is a big People obsessively check SeatGueu.com before picking a seat or even pay more for a certain porsition on the plane. Why ? It's a rare opportunity to have some control over your environment when traveling, explains psychologist and University of Washington professor Jonathan Bricker, Ph.D. That's very significant for the traveler ."Indeed, ask people whether they're an aisle or window person, and they don't hesitate to answer. (In case you're wondering, based on Expedia.com customers who indicated a seat preference, 55 percent prefer a window seat and 45 percent prefer an aisle seat.) So yahoo Travel reaearched, asked the experts, and picked the brains of frequent fliers to find out what your seat choice savs about you.