First off, welcome to PC!

It's great that you recognize this sex thing as a problem for it ruins your life and relationships. The important part is that you do have a therapist and are working on it.

As far as the girl go (I'm actually surprised that you have girl friends because I scared all mine away long ago!), forget her. I don't know what you text, but that's just a normal male thing I guess.

What ever happens at the club happens. The other members might know her story and pay her no mind and kick her out for malicious gossiping? Dont worry about it, just wait to see what happens next and then deal with it.

When I get obsessed on something, I found that by redirecting my attention elsewhere, I can distract from the object of my obsession. Mind you...it's very hard and takes me a couple tries. I don't know if this will work for you for I'm not diagnosed OCD, but I've been often called a one track mind.

We are mentally ill, and if someone thinks that we can just quit being m.i. and say nasty mean things instead of shrugging it, off....then she's no real friend.

Good luck.