INTERSECTIONS. i can't do that, there's no money in it (dummies)
What you love.
What you're good at.
What people need from you.
Finding the intersection of those points.
Although this thought is one I have thinked about prolifically over the last decade, this specific articulation is from listening to Chase Jarvis chat with Jeff Goins, author of Real Artists Don't Starve.
I got some extra calories, so I guess I'm mostly real.