I'm not in the age demographic you mention, but also not far from it. I've picked up chess, German, and golf. I've found the key to getting better (so far) is simply to practice as often as possible, even a little per day. I also think being older I have the confidence that I can learn skills, and I know that I only need to apply myself. In my younger years I used to think you either had the ability or not, but now I know it really only takes practice.