Tom's New Girlfriend, Aza, Has a Habit of Biting Her

Tom's new girlfriend, Aza, has a habit of biting her nails.This did not bother Tom when he first met her, but it is beginning to annoy him more and more with each passing day.Tom is starting to think that this is a sign that Aza might just not be the right person for him.What would a social psychologist say?

A) It is actually normal to be increasingly annoyed by a partner's habits - a phenomenon known as the social allergy effect.
B) It is actually normal to be increasingly annoyed by a partner's habits - a phenomenon known as the bad apple effect.
C) It is actually normal to be increasingly LESS annoyed by a partner's habits - something known as the social inoculation effect.
D) It is actually normal to be increasingly LESS annoyed by a partner's habits - something known as the relationship immunity effect.