I think you are guarding your actions because, maybe, you want to please the Lord or that is how you were raised. And I think that is fine. I'm the same way. I'm also waiting until marriage. Alot of what you are doing is beneficial. But, we don't have to isolate ourselves from people. We need each other (see Ecclesiastes 4.7-12.) This is something the Lord is slowly starting to get through my head