Everyone wants to be loved-to find someone who will stick with them through all of life's ups and downs, someone who is in it for the long haul. But in a world where dating is increasingly based on split-second decisions and geared toward casual relationships rather than marriage, it's easy for single people to feel discouraged, used, or unworthy of true love and lasting affection. Reality just never seems to match up with our (often wildly unrealistic)...