I want my ex back how?

im 14 im female a boy broke up with me because he needed space he said he wanted 2 get 2 no me then i kept texting him because i missed talking 2 him but then i offered to give him Lady Gaga tickets because he was down because he didnt have 2 money so i said i would get them then he didnt text me in days and then he said 2 people i was a stalker i miss cant stop tinking abou him we use 2 be best friends till i moved away i want him back he is 14 and i want him back i tink he likes someone else but i dont care i miss he and want 2 no how 2 get him back please him me