Determined that there should be nothing in his conduct towards his mother resembling sullenness, he had occasionally spoken to her on passing matters, and would take no notice of the brevity of her replies.
Yeah, well, you make him feel dumb, and he acts like it doesn't bother him, but it does. And, Luke, you know better than to mess with someone so uptight.
If your friends are partying every night, skipping class, and seemingly unconcerned about their grades, staying motivated will be an uphill battle for you.