How can I get my ex to want me back?

Well my ex-boyfriend wants to date me than randomly doesnt. He broke up with me today and tomorrow we would have been 2 months. I love him so much. He says he doesnt want a relationship then he does. How can i help him with making up his mind. I'm homeschooled and we meet when we both went to public school. I really want him back and I always run back to him when he wants me back too. I have dated him 3 times in the past two years. i cant get over him.