So right now I’m constantly having episodes that I cannot control. I’m about to have my first session on Friday. Can anybody relate?

100%! Prior to my first session a few months ago, I went through a year of increasing frequency and severity of the OCD experience until it was an all-the-time thing. It is manageable; you'll be learning that process and will feel better. Have a great first session on Friday and know that you're not alone in this. All is well!