You're holding no one back. Like many other things, Humans attempt to create an illusion of life to "ghosts". However, "ghosts" are not spirits, they will never be spirits, and they never can be spirits. If you know of a way to cleanse the area of all unusual electrical and magnetic fields try that, since it usually works. Also, don't notice it otherwise it'll get worse. Everytime you notice it the energy you have within concentrates more on the "ghost", thereby lending it some energy to be more active. Imagine seeing a pool of water filled with piranha. Throw in some succulent wonderful meat and they'll go into a frenzy as they devour it. That's kind of how it is. Kind of....I need better analogies(right word?).