What other endeavor could you take a break for a few years and then come back and still basically be at the same place where you left off? Pro golfer? Concert

What other endeavor could you take a break for a few years and then come back and still basically be at the same place where you left off? Pro golfer? Concert pianist? Physicist? Hell I forget what half my codebase does in a matter of weeks and have to go hunting through documentation.