The only thing you have to fear about going GF is fear itself! Once you commit to the idea of it, you will find options all around you. The hardest part of adapting to a GF life is if you feel deprived and why-me. Focus on the positive health benefits, read labels and experiment!
My son is severely autistic and can eat no grains, carbs or sugars whatsoever, also no dairy or eggs. So I look back on the early days when he was only gluten-free/casein-free as the easy good ol' days!