she thought of waiting for him up here , of letting him come to her the way a girl who is comfortable in the home of her parents might wait for the boy who is going to take her to the homecoming dance , waiting even after he has come , watching in her strapless party dress from behind the curtain of her bedroom window , smiling a small secret smile as he gets out of his father 's newly washed and waxed car and comes to the door , self-consciously adjusting his bowtie or tugging on his cummerbund .