I know what ya mean, Paul. I started when I was 17 years old, about to turn 51 in November. Its like breathing air, its instinctively. No thought, just do it.
I do things with a razor that would make a newb, shudder in fear. And do them without thought of it. Hell...I'd shave in the shower, if it wasn't for getting my razors all wet, and being naked. Good thing my belly hangs out farther than my...you know. :roflmao