Great job recognizing the signs yourself.
My wife is a psychologist so I am pretty familiar with how helpful talking to someone can be.
It's part of the human stress release element that is benefited when you talk about things that are giving you anxiety and talking pinpoint what is taking up too much time in your head.
A good therapist will help you so much.
At least 50% of the Western world's population suffer from some kind of anxiety, depression or mental instability. It's so common and it's the people that recognize it and act that come out stronger and more self aware.