On profanity not yours...

[DarkhoIlow]

My step dad usually swears when he comes home drunk when he starts arguing with my mom.

My mom on the other hand barely swears, only when arguing with my step dad. Other than that no.

 

[Shinsei-J]

I'm part of a South Western Australian family.
I think that answers you thoroughly enough.

To give you more of a definite answer, a lot, like no tomorrow and in the most insulting way possible even when there's no recipient.