How did your friends and family discover that you enjoy SB/BDSM?

How did your friends and family discover that you enjoy SB/BDSM? My pals found out when they Googled my username, “an97an,” which is part of the email address I use for signatures to keep spam away. As for my relatives, they spotted me hanging upside down in chains. They simply labeled me a ‘freak’ and left.:( What about you all?