Be honest with yourself about what sparks you and take action on it. Don't worry about finding your one true "passion." That's too abstract of a concept to figure out logically. Instead, start by acting on the small things that excite you each day.
Yes, he cleaned up nicely not because I made him but because he wanted to be a better man for himself, for me, and for his family. I just helped him along the way. So I didn't polish a piece of shit, I shined a diamond in the rough.