Why would a women hold onto things you bought her in a relationship when she treated you like dirt?

Like she would call me nuisance, bitch, stupid motherfucker she also hit me twice in the relationship. In the end she said she didn’t have the patience or empathy to date someone on the autism spectrum and why try to understand me when she can date someone normal. So over the duration I was very attentive to her likes and interests and each gift I bought her always incorporated her likes. I bought her a pink flower covered bear for Valentine’s Day and she held onto that. She also held onto other things

Why would a women hold onto things you bought her in a relationship when she treated you like dirt?
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