Didnt turn into the type of women he hates. Liam wanted her to be rebellious and go against him, but she instead loved him purely. Liam gradually fall for her but because of his past experience with his wife he was afraid to officially wed her.
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This later causes Liam to be in an awkward position where he does not know what to do with her but at the same time still cares for her a lot.
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The unlikely person who actually managed to convince him to actually wed her is none other than Yasushi, yes that scammer master lf his. Forgot which chapter was it, but he basically told Liam that he has to move on from his past.
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Liam and Rosetta does eventually marry and have a son.