Spoiler
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(I dont remember if it already happened in webtoon) As you can expect when Violet get the hint that Paula like Vincent , she kindly put Paula to her place "as maid" and warned her to not fall for him.
Anyway after many things Violet's engagement broken with Vincent, Paula ran away became she was in danger....
And 5 years later we learned that....
Violet actually married a guy and had a son. It was arranged marriage but later we learned that she loved her husband. But unfortunately he passed away in an accident, leaving Violet with many responsibility.
Many evetse later Violet and Paula meets again. This time Violet's "elegant" attitude is changed , she is much more open about her words and has i don't care attitude. Paula is shocked but later realized that , Violet does not see Vincent as her "fiance" anymore, she changed over years and not need to keep the act of "properly lady who is engaged to lordu (Vincent)) . Basically she became carefree herself.
There is a lot of things happening during the novel , and they do not have much scene together but overall it is seen that Violet supported Paula a lot during.... anyway it is gonna be next level spoiler so will keep it to myself.
So... it can be said that they do have good relationship but still a bit realistic one. They are never same after all the events happening...
To put it simply "ugly". She is considered ugly according to societies standarts.
A bit spoiler
Even the child she cares considers her ugly and calls her "ugly" instead of her name or nanny/teacher. (And take note that it is not because he heart it from someone but more like child's brutal innocence and open-thinking)
And for me even a sadder one.. more spoiler
Even when she hides her identity, and she explains her reason to Ethan (the reason being ugly and afraid of disappointing Vincent) , Ethan does not say "you are not ugly" but rather say "Vincent is not a person that will judge someone according to the appereance".
Extra extra extra big spoiler....
Even at the end, in her marriage day, author describes the smiles of groom and bride etc. and emphasize that their happiness of that moment outshines the bride's physical imperfections so much that noone sees her as ugly that day.
Soo.. overall I dont remember which parts makes her ugly exactly but surely she was not considered beautiful at that time and period. But there is a saying that loves make one blind , Vincent always called her beautiful after he realized who she was. And i genuinely believe he meant it. He was even jealous of her even when he was not aware of her identity

Read the novel, loved it. Fl is genuinely ugly (like not the ones transform with a bit makeup and became gorgeous) and has reasonable insecurities caused by her extremely harsh life amd her being a maid in nobles world.
Also whole I genuinely love her love with Vicent ,Lucas and Ethan was also stars of this story.
Spoiler
i love how they never forgot Lucas and his impact on them . Ethan , Vincent and Paula were each effected differently, blaming themselves . But at the end they were cure to each other.
At the end i could sayy it was realistic, tragic and emotinal story. Each chrachter sacrifieced too much to gain their hapiness. They deserve to be very happy. I am thibking to read author other stories as well.
https://rainofsnow.com/the-counts-secret-maid/#chapter