Body language is a visible sign of our emotions. for example, a man who is embarrassed about gaining weight may pull at the skin under his chin. likewise, a woman who is embarrassed by her weight may smooth down her dress or slacks. when we feel afraid or defensive, we may fold our arms across our chests. hands on our knees show our readiness to act. hands on our hips reveal our impatience. hands locked behind the back indicate self-control. finally, hands locked behind the head indicate self-confidence. of course, the meanings of our gestures vary from culture to culture. write a question based on the main idea: