She is very assiduous, persisting.
She is also very outgoing. She walked by herself to Bingley's house, talked back to Darcy, etc.
Jane is very considerate. Although she was sick, she didn't want people worrying about her.
Makes a conscious effort not to look at Elizabeth; probably to prevent falling in love with her. However, if he is trying so hard I think he already has fallen in love with her.
However, the hardest part of the book is to keep track of all the characters.
He seems to overdo everything, he over praises Lady Catherine (adulation)