well done, i never can get that word out i stumble with it every time and that gets a signal from the brain that says this is a difficult situation this is something i'm not used to this is some i it's very primitive it's it's from the days in the jungle or whatever er a fear of fright over absolute  it's fight or flight, and that's why you start breathing quicker because the blood wants more oxygen because it's ready to run or to fight because the muscles, it is