You need to think of your house as a marketable commodity. Property. Real estate. Your goal is to get others to see it as their potential home, not yours. If you do not consciously make this decision, you can inadvertently create a situation where it takes longer to sell your property.
There are many factors to consider when selling a home. Normally you don't just wake up one day, call Realtor Norm, and have him come out a put the "For Sale" sign up. You may find it helpful to start reading through the list of articles listed below.