PLZ HELP ME!! PLZ MY BF IS.....?

ok so my bf and i are 13 and in the 6th grade and my bf and i only hugged a few times and kissed one time not like a long kiss just a peck and he is friends with one of his ex's and we never hold hands or any thing i have feelings for him but they are starting to die...... but his ex's name is nicole and one day after recess we were walking buy her and hits her on her and friday in the gym for recess or break or what ever 6 th graders get my friends were sitting in a line by the wall here is how the line went sarah,makenzi,hunter (bf/gf) nicole me then my bf well nicole and him Always play around and she went to go hit him and hit him in the by accident and then he went to hit her back and accidentally HIT HER IN THE she was all like ouch that was my and he said some thing like hey maby i just wanted so action or some thing like that but he nevers says things like that to me....... what do i do???........