What is Olivia told about the trophy room and Malcolm's mother's room, as she is guided through Foxworth Hall for the first time?

The rooms mentioned as Olivia is lead to her room are the trophy room and Malcolm's mother's room. What is significant is the emphasis put on each. When Malcolm mentions the trophy room, he mentions that it is specifically "his room," putting special emphasis on the room belonging to him and not her. The second room that is mentioned is Malcolm's mother's room, and when he mentions his mother, he speaks with such distaste and loathing that Olivia is confused as to why he would hate his mother so.