It has been said that great minds think alike; so do mediocre minds; that makes the only truly original thinkers the lesser minds. Perhaps Elizabeth knew that foreseeing any consistent reaction from her mother was an effort in frustration. *chuckles*

Mrs. Bennet received Mr. Collins with a calmness that astounded her daughters on hearing a dropt hint in his letter. She flew into hysterics when she first heard that Lydia had eloped with Wickham. She thinks that alienating Bingley's best friend will have no effect on Bingley's attentions to Jane.