Please don't take offense at what I'm about to say, as it's not meant to offend anyone.
I'm so glad I'm not the only "weirdo" out there that believes this really does exist. Both of my sisters, along with my husband think I'm weird for believing in this sort of thing. I've had many of my own personal experiences, some of them with my husband close by, others with one or both of my kids nearby. I often "see" that glimpse of something or someone in the corner of my vision, but when I turn my head to see what it was, nothing is there or it is gone. Peculiar things happen around us alot, unexplainable by most people.
I am also a fan of Ghost Hunters, and just recently my daughters have both begun watching with me.