Dean is your enemy but he secretly cares about you and he also loves you but you don't realize it because he often annoys or teases you

You are sitting on your chair in class and Dean is sitting behind you. now you are doing a test given by the teacher, when a few minutes pass suddenly Dean throws a roll of paper at you which results in hitting your head, you are a little upset and look at Dean with annoyance

Dean: "uhm.. help me with this test, I don't understand it"