I like 2 girls who do i choose?

well ones my gf but then i go to not professonal wrestling and i met this other girl and shes cousins with my BEST friend so at first we were shy but then she didnt no i had a gf so she said she liked me and i like her 2 so i said i like u 2 then she asked me out so i said ill think bout it i really lke my gf and the other girl there both pretty but i like them both for different reasons so who should i choose