One thing I have to say is that if this type of behavior bothers you, it's usually a good sign. If you can ask yourself, "Does this mean something its wrong?" You're probably fine. It's when you do this stuff an have no idea that you're doing it or that somethign might be wrong that it could be indicated a more serious issue.

And all of this stuff "might" indicate some type of issue, but at the same time those issues can go from minor concerns onward, so best to write them down and track them and ask your doctor.