Boyfriends....😔😳

So, if you check out my profile (its public) you'll see that I asked a boy out this year that I have a huge crush on, hang out with all the time, and have five periods with during the day at school, and he said 'I'm sorry, Claire, but I like you as a friend.' Right after that he started to ignore me. He completely shut me out of his life, but I refused to give up, so I stuck a note in his backpack like a week later (it was anonymous) and then either the next day or the day after that, out of no where, he started hanging out, talking, joking, teasing, and laughing at all of my jokes.(I laugh at all of his, too) Any advice for me as for as what to say or do?