Do your non-kink interests ever find their way into your kinky activities? If so, how?
Hooray for vague. Yes and no?
Being fairly well-read and having seen a lot of movies and television comes in handy.
Having dexterous musician hands helps with... things.
I generally keep my interests compartmentalized and separate. When I feel submissive I suppress my alpha persona, so there isn't much that bleeds over.