I can safely say I don't swear or blaspheme....... I never have and can't see a reason to. I am not so precious that I object to anyone else doing it... unless they are saying it TO me..... or in the hearing of children or older people they know don't like it. Intent, tone and circumstances are all involved.

Then you have a lot of self control.  I don't like swearing or blaspheming but there have been a few times in my life where words have should we say escaped lol!. I don't think anyone is perfect but I dislike it when people use the F word and other offensive words constantly esp around children and when they are in your face with it.