It's double standards for me when it comes to swearing. I do it (not that often, but enough), but I can't stand it when other people swear. It's terrible (me, that is). My parents hate it when my brother and I swear in the house, so the worst we say are "shit" and "bitch". Up to now, I've never heard my parents drop the F-bomb, not even when they're really angry, or in the presence of friends. To be honest, I don't think I'd be comfortable in hearing them using the word, so I'm thankful they're reserved enough to keep it to themselves.
I remembered chastising an ex-boyfriend when we started dating because he was very loose with the tongue when it came to Hokkien cuss words. Now as much as I don't like hearing people swear, English cuss words are, oddly, tolerable. It's the Hokkien ones which repulse me to no end. I don't know why. I was very glad that towards the end of that relationship, the frequency of hearing those words decreased significantly. Nope, it wasn't my doing :)
Oddly though, when I was in the US last year for about 10 days, I've only heard swearing once. ONCE! In Melbourne, I hear it every day. On the streets, on the train, on the bus, etc. Does that mean that Australians swear more? I really have no idea.
I have to admit that ever since I moved to Melbourne, I've been swearing a lot more than I have in the past 20-odd years. I too, lace my words with the F-bomb ever so often. I completely draw the line at using words with genitals in them, but other than that, I'm afraid I too, am guilty. Sigh.
Feel free to wash my mouth with soap.