It can be both.

My husband and I met through an online forum, and were friends for a long time before we decided to try a romantic relationship.

I think it’s a fallacy to assume “online” only means dating sites these days. Many people’s social lives are online, so that’s where they meet friends and partners

In them? Not at all. But by reading it and understanding probable causes and stretches/exercises that can alleviate or prevent the pain, hopefully things would get better.

That being said, consulting a doctor would still be a good idea. But having something you can do immediately, that gives you tools that could help right away, isn’t bad either.

My husband had the worst sciatica, and this book helped him so much