1. You will keep up on the latest Gluten news. New Gluten Free products will become available or you might learn of something that is no longer considered gluten free.
2. The Celiac community will share tips for keeping your kitchen gluten free and safe. Things like having a new gluten free toaster or electric can opener aren't always apparent to newly diagnosed Celiacs, but are a big cross contamination issues. Tips like this can be learned at in-person and online support groups.
3. Other Celiacs are the best way to find doctors with the knowledge to properly advise you. Not all doctors know enough about Celiac Disease to help you through from diagnosis to wellness. You're going to want the best.
4. Many newly diagnosed Celiacs are completely lost and have no idea what to eat. It's easy to say fruits and vegetables are gluten free, but there is so much more to a healthy diet. You'll want to know how people deal with everything from daily eating to eating out.

Bottom line, don't fear a support group. You just may find new friends to share dinner with, swap Gluten Free recipes with, or just some information that will help you cope. Go ahead, Google a support group in your area. You'll be glad you did.