"How open are you about your kinks?"
Not at all. I have two worlds, the world where my identity is that of parent/community member/"normal" wife/volunteer/hobby-writer/worker, and the world where I am known as sub/SAM wife/kinky woman/writer of erotica specifically. The worlds do not, and cannot, collide.
In my everyday life I am actually thought of as a naive woman. People assume I know nothing about kinks, or anything beyond what you'd see on Leave it to Beaver. They think I'm really like a 1950's wife, ignorant and innocent. If they only knew.
But they never will.