So i dated this girl for 2 and a half years. she helped me out of my depression that i had been in since my father died. i was 9 when he died and i dated her from when i was 14 to 17. She cheated on me 3 months ago and we broke up that was the end of my junior year in high school. during the summer i spent too much money on marijuana and alcohol. when senior year started 5 days ago i sobered up for the most part. i saw and had sex with my ex during that time i was feeling like superman while she was with me, before she left she told me she had a boyfriend i felt like dying .thats only 2 months since we broke up. i feel like dying right now. why cant i get over this slut she used to be my best friend id die for now i dont know how can i get over her. I cant sleep and cant enjoy my senior year because of this im a shy kid because of whats happened to me. Any Advice to get over a cheating ex like this is appreciated