The problem lay buried, unspoken, for many years in the minds of American women. It was a strange stirring, a sense of dissatisfaction .… Each suburban wife struggled with it alone. As she made the beds, shopped for groceries, matched slipcover material, ate peanut butter sandwiches with her children, chauffeured Cub Scouts and Brownies, lay beside her husband at night — she was afraid to ask even of herself the silent question – “Is this all?” What is the tone of the passage?