Take a close look at the pictures below. If you could see any movement, then you might be depressed, tensed or stress. If the movement is faster, then your stress level is higher, but if the movement is slower, then your stress level would be lower. Owh, btw, please try at your own risk. I'm not really sure whether it is accurate or not, but just give a try, ok?

stress level part one

stress level part two

stress level part three