My first time with BBC was not planned at all. Long story short, me and my husband were on a break and I rented a cheap apartment from an acquaintance (black). He invited me to a houseparty and when everyone left we got together and fucked. We definitely had chemistry and I enjoyed myself. We saw each other quite a lot before I got back with my husband but this was long before I knew anything about this being a lifestyle. Husband definitely didn't pick anyone
Fast forward another 15 years and I hooked up with another black guy, he definitely planted the lifestyle seed
I was long term with him.
As for how to let the freak out...you are already here so have an experience with someone you like here and you'll be hooked...