Sarcasm: If you are sarcastic, do you find that it often turns into a double-edged sword?
One of the nuns in my grade school declared me the most sarcastic kid she ever met before I even knew what the word was. People have to know you to get it if it's humor and be willing to forgive you if it falls flat. I try not to use it in print with folks that have never met me due to its dangerousness