Coughing, sneezing, and burping--three semi-involuntary bodily functions we all execute on an almost daily basis. Why is it that one demands nothing, one demands that others invoke ritualistic anti-satanic platitudes upon you, and one demands that you apologize? If you are going to adopt silly traditions, at least be consistent.
Speck in the Jar
You open a jar of peanut butter. Some fool used the same knife that they used in the jelly jar. There's a speck of jelly in your peanut butter. So you dig around it. Day after day. Pretty soon, there's a small mesa of peanut butter with a speck of jelly on top. How many times have you seen this? By the way, peanut butter does not belong on bread; it belongs on Oreos.