Don't fear it, listen to what they say. They are just as puzzled as you on what is causing this. They truly want to help and make you feel comfortable. You will find your way in life. I did on my own, but I had to go thru what you are doing right now to get there. OK your weakness is speaking, but you excel stronger in other talents. Focus on the talent and not your speech. Avoid words you struggle with, create your own sentences.