Why would a person wants to stop learning new things. You know that by learning new things your brain stay active, and your knowledge grows. I know many o us don’t have enough time, but that is not an excuse to stop learning. You don’t have to force yourself to learn thing that you don’t want to. The secret is to find things that you would be interested in learning how to do it. Find information where they teach those things, and mange your time so you can go and start learning that new stuff.
Is like a website, if every time you go the content is always the same, then at some point your are going to get bore and you are going to stop visiting that website. If your brain stop receiving new information, your mind is most likely would get bored of the same content, you stop finding interesting things in your life, is easier for you to become stressful about little things, etc.
Make sure that you always keep refreshing your brain with new content, that you always keep learning new things. It doesn’t matter how big or small it might be. Is always good to learn new things, plus it doesn’t hurt.