u/AdministrationRare21

Hi this is my first time making a reddit post and ill get right to the point. I am a 19 year old male with a 19 year old female and previously, around one year ago, her and her partner broke up, they were together for years and lived together, ive been with her for 9 months and i love her to death the relationship is perfect but i just cant stop thinking about the moments they spent together and no matter what strategy i use to help nothing is working and its the worst theme ive had yet, does anyone have any tips to get through this?