How to get my ex boyfreind back, tips, and advice.?

ok so me nd my bf broke up, and we didnt talk for like a week after that. well its summer right now (the middle of summer) and i didnt want him to forget me so i txted him askin him not to forget me nd he said that he hasnt(: well my brother has been really wanting him to come over and swim with him and he said this to me "tell ur brother when i have time ill be over to swim" nd when i replied by saying "will u really come over or r u just saying that?" he said "i will haha" and that was the end of the texting conversation. ok so he really will come over, but now the question is how do i get him back? whenever we hangout we always get back together and its always so cute how it happens(: but this time i want it to be special and just amazing, but i dont know how to act around him when he comes over that will seem flirty an make him interested and me and him can get back together. also i need to know how to flirt with him, to let him know im interested. good flirting tips anyone? help me quickk!!!!!!!!!!!!!!!!!! and plz don tell me that "everything happens for a reason" or blah blah blah like that, i need some really good advice that helps me and doesnt judge me about my relaionship. help me! kay, thanksbye(: