Re: I need help with my relationship

Jealousy is a dangerous illness - it can replace trust and honesty and become the core focus of a relationship. 

Counseling can be found through local religious organizations, Social Services, behavioral health centers, etc., etc., etc.  Look under the yellow pages for "psychologist" or "marriage counseling" and you'll find dozens of pages of names and clinics.  It's safe to say that nearly all of the listings will offer sliding scale fees - so, check them out.  At your first meeting with the counselor, it might be a good idea to have a written list of your concerns with regard to your personal behavior, issues with your g/f, and any questions that you might have.  Your g/f might want to do the same thing.  It's very difficult to provide a solid history in 50 minutes, so having as much prepared as possible will help to cut through the b.s.

That this young woman has severed ties with all of her friends (immature or not) does not bode well and your judgement that she "...is better off without them..." is another red flag of possible difficulties on the horizon.  A good therapist/counselor will help you both to identify core issues and give you many techniques on management of those issues. 

You are to be applauded for your concern and willingness to seek help.  Please, take this under advisement:  a good therapist/counselor will only be as helpful as long as you are 100% honest, even when to do so might require you to admit to some poor choices.  We all make mistakes, particularly in relationships!  And, it is not a sin to make mistakes!  So, good luck and keep posting your progress!!