What The F***!?

So, I've been working on my rewrite and revision, critiquing and being critiqued and it brought something to my mind.
When I began my MS, I made sure my characters only said, I think, about one curse word each-I mean, Damn, was the extent of that. Problem is, my female MC is just like me. She curses, just as I do. When I say I curse, I mean...I cuss all the time. That's just who I am. It has nothing to do with a lack of intelligence or the desire to be "bad." There's a standing joke in my family