My enemy is dating the guy i like what do i do?

Ok so my enemy Alyssa is dating the guy i like please dont laught but his name is august and hes really cute but he is datin my enemy which makes me so mad and feel like crying and he stares at me all the time but doesnt do anything and then to make it worse i had to dance with him today and then he wouldnt look at me but when he went to the next partner he stared at me and now i am so sad what do i do