I would go along with it and hang out and don’t expect anything more. At worst, you have a fun new friend whom you like to hang out with --that’s a win! Since she has no problems making the first move, if she wants this to be more, she’ll let you know. Just have fun with your new friend!
I went back to school. You can find tons of online courses in just about any subject, and some will count for real college credit if you ever want to turn it into a degree. Many are free, but some will cost you and most are worth it. A way to make your addiction productive.