I'm not a GF person either, though have many friends who are.
What I have learned from them is that the important thing is to READ ... and READ again.
And to know what words to look for on the labels.
Another thing to consider ... eating out!
Some of the worse times my friends have had are when they eat out at a restaurant and foods which should be GF are cross contaminated.
Your Dr. should be able to refer you to a dietitian who is knowledgable in this area to help you learn and understand what you are facing.
Additionally, look for credible sites on the web ... again, I caution you ... credible!