I never understood this , why does a little noise distract a Golfer?

I Love Golf I am a single digit handicap , I never understood why some golfers get a little bent out of shape if someone is talking while you are putting or teeing off , it never bothered me , I compare it to when thousands of people are shouting at you while you are shooting a free throw , so lets see How many of you let a little noise or talking bother you , also please post your Handicaps as well I am curious , Best Answer 10 Points.