Cursing acutally relieves pain. A curse comes from the same part
   of your brain that that noise a woman makes when they're giving
   birth - that animalistic growl I've heard about. Saying "oh
   fudge!" or using other substitute words doesn't engage the same
   part of the brain. So if your kid drops a hammer on his foot and
   says, "Shit!" it's actually taking some of the pain away. Look
   it up - it's truth. "