Hell, just the whole relationship between Mae Mobley and Aibileen counts. That girl does not get enough attention from her mother and turns to Aibileen as a surrogate mom. In the book, this culminates in Mr. Leefolt telling his wife to move her to another class after she plays a somewhat racist game with her brother.
Mr. Johnny wondering why Celia Foote isn't happy when that's all he wants from her. He doesn't care that she can't cook or take care of the house. It turns out it's because Celia's experienced multiple miscarriages.
When the secret does come out, the two reconcile and Johnny's happy that Minny was there to save her life.
Mrs. Phelan encouraging Skeeter to go to New York, on the basis that she's decided not to die from her cancer.
The flashback with Constantine comforting a teenage Skeeter, who hasn't been asked to a local dance on the basis that she's "ugly".
The novel's description of her has this make much more sense: she's tall, skinny, and awkward with uncontrollably frizzy hair and sharp features. Her nickname came about because her brother thought she more resembled a mosquito, or skeeter, than a baby when she was born.
Aibeleen's church shouldering the burden of paying for Yule May's sons to go to college due to the fact that their court expenses were high enough to clean out their college fund.
One of the female characters being approached by one of the women in town, and though Hilly has been trying to get everyone in town to fire their maids, the woman reveals that she's not going to fire her maid no matter what, because she helped her through a suicidal phase.
When Hilly has Yule May arrested and sent to prison, Aibeleen and Milly look on in shock and horror, and as do the rest of the maids. When Skeeter next meets with them, however, it's not just them she sees. It is every single working maid, who simply refuse to let that stand without saying their piece. Also doubles as a Crowning Moment of Awesome.
A story told by one of the maids that roughly went along these lines: she took a shortcut to work through a field and the owner of the field threatened to kill her if she ever walked through it again. So her boss bought the field just so she could take her shortcut.
On their first meeting, Celia assumes that Minny is going to reject her job offer. When Minny doesn't, Celia yells in glee and hugs Minny. Sends nothing but good vibes to the audience. Also doubles as a Crowning Moment of Funny
Minny comes to work at the Foote's just as Johnny drives up. She panics, since she's supposed to be a secret from him, but he tells her not to worry and brings her inside where Celia has cooked dinner for her. Then they assure her that she can work there as long as she wants.