Actively trying to like something is already a sign that you don't like it intrinsically. Continuing to try strikes me as...some expression of over-socialization. It's okay to pursue things you actually like for your own sake.
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I do this with music, films, and books because I think some things are objectively better than others in ways that don't always line up with my own tastes.
I'm trying to let good art affect my soul and keep bad art from corrupting it.