Im obsessed with Taylor swift and I want her to be my girlfriend but I am already dating someone that I don't wanna break up with what should I do?

I'm obsessed with Taylor swift seriously like I listen to all her music I jerk of to every day but I have a girlfriend who gets mad at me sometimes for it like most recently we got in a argument about it and she said kiss my ass literally like she said you have a choice you can either leave me and obsessing over Taylor swift or literally kiss my ass and stop obsessing over her so what do I choose
Im obsessed with Taylor swift and I want her to be my girlfriend but I am already dating someone that I don't wanna break up with what should I do?
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