For the non-geeky, this is a Star Wars metaphor….

“Intimacy, by definition, means lowering your defenses, leaving yourself vulnerable. But once you’ve let someone into your proverbial exhaust port, just to see them blow up your very core with a photon torpedo of betrayal, you swear you’ll never let that happen again. And the only way to do that is to never let anyone get close.”

David Wong and Rob Nietupski, Cracked.com, on being hurt by people close to us