My ex girlfriend broke up with me and I still love her.......what do I do?

Im 14 and my ex dat is 16 broke up wit me about 4 months ago she broke up with me cuz I was actin different (which isn't a gud reason) but I still really love her....da othr day she textd me and I askd her y did she exactly break up wit me and she told me cuz I was actin different and I told her I stil loved her and she said she stil loves me som1 plz help