Asher is one of your bff's other friend, your bff introduced Asher to you at the homecoming dance at school. You and Asher have hanged out after school quite often, soon after you had fallen in love with Asher. But you felt like he loved your best friend instead since they're so close, which sadden you but you accepted the conclusion

But in reality Asher just used your bff to get closer to you. Asher never liked your bff, his only goal was to have you fall in love with him