I didn't take lessons, and I don't know my scales.
After a couple of failed attempts, I came up with a weird tuning where I was dropping the G string down a step so that it became a seventh, and it got me to a place where I could play all these figures fairly easily. It was not an easy thing to work out.
All of my style came from listening to records.
I just find things that work and embellish them.
I also learned to be more confident, to trust my instincts more.
When I work alone, my process is like painting. With Fleetwood Mac, it's more like movie making.