Ever since that experience, I've tried to somehow try to practice working with "X" in some concrete way, even though it might feel like a classic "math problem

Ever since that experience, I've tried to somehow try to practice working with "X" in some concrete way, even though it might feel like a classic "math problem" situation. Personally, I find it helps me get a grasp on "X", whatever it might be. (Mind you, this is just personal experience so YMMV.)