My grandmother who was partly responsible for my upbringing could swear like a trooper, and did, my mum, when she was tired or angry could also let forth a salvo, but my dad, never in my presence, although he mixed with people on the edge of the law. Neither my other half nor I swear - although I am sure the other half does in the company of men. These days the 'f' word has absolutely no effect whatsoever, young people seem to use it all the time. I don't get offended if people swear in my company, just as long as they do not start swearing at me. They might be surprised if the did, I know a few ripe words, and might retaliate,although I would be mightily ashamed of myself.