I guess it perhaps can be sort-of a vicious circle, as they say. One starts out with one thing, either the OCD or the anxiety. That causes the other to develop. And back-&-forth they go. OCD has never been a major component of my mental health struggles I don't think. But I've certainly always had my little obsessive-compulsive quirks. And I also presume that mine have been a coping mechanism for dealing with anxiety.